<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:a247fbf6-1644-45bb-b192-0ce07b360b07,g:4536452c-700b-4ac5-96ec-9612a5b083d9-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.verisign.com/role/ConsolidatedBalanceSheets" xlink:type="simple" xlink:href="vrsn-20251231.xsd#ConsolidatedBalanceSheets"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_1bee0786-d70d-47b1-a983-3d6760f56573" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_4cd7321d-8a59-42ca-9f89-1dfe29cbb0d5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_1bee0786-d70d-47b1-a983-3d6760f56573" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_4cd7321d-8a59-42ca-9f89-1dfe29cbb0d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarketableSecuritiesCurrent_aa764e42-d91c-45b1-8c49-7ce2302e46a5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MarketableSecuritiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_1bee0786-d70d-47b1-a983-3d6760f56573" xlink:to="loc_us-gaap_MarketableSecuritiesCurrent_aa764e42-d91c-45b1-8c49-7ce2302e46a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_3a180224-a5df-4688-ae68-b40028cc31d0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_1bee0786-d70d-47b1-a983-3d6760f56573" xlink:to="loc_us-gaap_OtherAssetsCurrent_3a180224-a5df-4688-ae68-b40028cc31d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_ff625abf-f0ad-404a-b79a-7c163f494395" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredRevenueNoncurrent_8b479bbb-efe9-4aad-9c38-cc1a531af3a3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredRevenueNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_ff625abf-f0ad-404a-b79a-7c163f494395" xlink:to="loc_us-gaap_DeferredRevenueNoncurrent_8b479bbb-efe9-4aad-9c38-cc1a531af3a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorLongTermNotes_fcd61104-0fa4-44d1-ba00-ff1791566b0c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SeniorLongTermNotes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_ff625abf-f0ad-404a-b79a-7c163f494395" xlink:to="loc_us-gaap_SeniorLongTermNotes_fcd61104-0fa4-44d1-ba00-ff1791566b0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_a558239a-e467-4fa7-aec0-b8c91497ae41" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_ff625abf-f0ad-404a-b79a-7c163f494395" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_a558239a-e467-4fa7-aec0-b8c91497ae41" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_7adb0612-2ac2-405f-a871-fa3c10397e46" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_fcf84785-18cc-4e1f-95f1-a509c41915cc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_7adb0612-2ac2-405f-a871-fa3c10397e46" xlink:to="loc_us-gaap_PreferredStockValue_fcf84785-18cc-4e1f-95f1-a509c41915cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_2fb791c1-517a-4b18-abe3-911d65efdcea" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStocksIncludingAdditionalPaidInCapital"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_7adb0612-2ac2-405f-a871-fa3c10397e46" xlink:to="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_2fb791c1-517a-4b18-abe3-911d65efdcea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_b3e2ff82-3887-49da-8ce0-6ab79da55493" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_7adb0612-2ac2-405f-a871-fa3c10397e46" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_b3e2ff82-3887-49da-8ce0-6ab79da55493" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_d05e42a0-29a3-4059-927f-0e58e39ced6f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_7adb0612-2ac2-405f-a871-fa3c10397e46" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_d05e42a0-29a3-4059-927f-0e58e39ced6f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_14ed85a4-edb3-4af7-aa11-1f6cd402d15f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_24d148d6-0d21-4922-8fe4-fd7d97bb0873" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_14ed85a4-edb3-4af7-aa11-1f6cd402d15f" xlink:to="loc_us-gaap_Liabilities_24d148d6-0d21-4922-8fe4-fd7d97bb0873" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_7875260d-060e-47f2-85e5-b03b6699b088" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_14ed85a4-edb3-4af7-aa11-1f6cd402d15f" xlink:to="loc_us-gaap_StockholdersEquity_7875260d-060e-47f2-85e5-b03b6699b088" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_b395de81-6a56-431c-a344-da22ae3ce6f4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_db0ecc72-a0a3-422c-9c14-4f66d5f10ce5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_b395de81-6a56-431c-a344-da22ae3ce6f4" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_db0ecc72-a0a3-422c-9c14-4f66d5f10ce5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredRevenueCurrent_c105c750-1442-4e4a-8f13-b6bcfbd308f6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredRevenueCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_b395de81-6a56-431c-a344-da22ae3ce6f4" xlink:to="loc_us-gaap_DeferredRevenueCurrent_c105c750-1442-4e4a-8f13-b6bcfbd308f6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesCurrent_70f871be-19c9-456e-838c-c55fd9b6dfcd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SeniorNotesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_b395de81-6a56-431c-a344-da22ae3ce6f4" xlink:to="loc_us-gaap_SeniorNotesCurrent_70f871be-19c9-456e-838c-c55fd9b6dfcd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_24f7dd04-f8ce-4561-a51a-71f18b20046f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_b7feb2a6-addd-4030-a572-856f563804c7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_24f7dd04-f8ce-4561-a51a-71f18b20046f" xlink:to="loc_us-gaap_AssetsCurrent_b7feb2a6-addd-4030-a572-856f563804c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNoncurrent_9268d8fe-6f75-4bcb-808d-b6f4a4338508" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_24f7dd04-f8ce-4561-a51a-71f18b20046f" xlink:to="loc_us-gaap_AssetsNoncurrent_9268d8fe-6f75-4bcb-808d-b6f4a4338508" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNoncurrent_45d7c068-dbb6-4c1f-84d5-57ede532af99" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_fec52b9b-9202-45e6-bc8a-ce1e83a430ca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_45d7c068-dbb6-4c1f-84d5-57ede532af99" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_fec52b9b-9202-45e6-bc8a-ce1e83a430ca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_8cbac726-9e46-4f63-9885-ca361941fe4e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_45d7c068-dbb6-4c1f-84d5-57ede532af99" xlink:to="loc_us-gaap_Goodwill_8cbac726-9e46-4f63-9885-ca361941fe4e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_1dc9d86b-e65c-4807-8d65-9d0daaf4ab00" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_45d7c068-dbb6-4c1f-84d5-57ede532af99" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_1dc9d86b-e65c-4807-8d65-9d0daaf4ab00" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepositsAssetsNoncurrent_2f135f1c-67fb-46c9-b7f4-65f5fb2d5ffb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepositsAssetsNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_45d7c068-dbb6-4c1f-84d5-57ede532af99" xlink:to="loc_us-gaap_DepositsAssetsNoncurrent_2f135f1c-67fb-46c9-b7f4-65f5fb2d5ffb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_c5dc8913-6c3a-4f65-b6f6-3177589d2712" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_45d7c068-dbb6-4c1f-84d5-57ede532af99" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_c5dc8913-6c3a-4f65-b6f6-3177589d2712" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_4da1ee9b-2650-40f9-80bf-6ed3592d4c5f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_4825f267-b0cf-4510-aac0-275d8ca9a083" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4da1ee9b-2650-40f9-80bf-6ed3592d4c5f" xlink:to="loc_us-gaap_LiabilitiesCurrent_4825f267-b0cf-4510-aac0-275d8ca9a083" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_324e3770-7885-4536-90ad-6460e4ac3b67" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4da1ee9b-2650-40f9-80bf-6ed3592d4c5f" xlink:to="loc_us-gaap_LiabilitiesNoncurrent_324e3770-7885-4536-90ad-6460e4ac3b67" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:type="simple" xlink:href="vrsn-20251231.xsd#ConsolidatedStatementsOfComprehensiveIncome"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_9fcc26ba-095d-4af3-b99d-9c91007e129e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1d54b77b-b88e-4b43-b77d-d1bd5b650630" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_9fcc26ba-095d-4af3-b99d-9c91007e129e" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1d54b77b-b88e-4b43-b77d-d1bd5b650630" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_89d70663-0b21-4127-901f-44bcffbc6b1f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_9fcc26ba-095d-4af3-b99d-9c91007e129e" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_89d70663-0b21-4127-901f-44bcffbc6b1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_b7adb871-9ef1-4354-9697-34d4aa2168df" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_b4b3da78-a5b2-4d82-a9b7-95e477d11650" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_b7adb871-9ef1-4354-9697-34d4aa2168df" xlink:to="loc_us-gaap_ProfitLoss_b4b3da78-a5b2-4d82-a9b7-95e477d11650" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_1c0e85cb-7798-463b-8cd5-ccd3de26d64a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_b7adb871-9ef1-4354-9697-34d4aa2168df" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_1c0e85cb-7798-463b-8cd5-ccd3de26d64a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_20e9f40d-af09-4ac3-8e3f-596007724614" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_5afcafaf-7aa9-417b-a796-c50c8e839b76" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfRevenue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_20e9f40d-af09-4ac3-8e3f-596007724614" xlink:to="loc_us-gaap_CostOfRevenue_5afcafaf-7aa9-417b-a796-c50c8e839b76" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_8009f6d8-0919-4e80-b724-351628c7925d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_20e9f40d-af09-4ac3-8e3f-596007724614" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_8009f6d8-0919-4e80-b724-351628c7925d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_17dc7cce-55c8-4fdf-93c0-ede733dea0a8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_20e9f40d-af09-4ac3-8e3f-596007724614" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_17dc7cce-55c8-4fdf-93c0-ede733dea0a8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_5c972f9e-4d85-4a7f-b16b-eabeea3c31d5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_14318cba-aede-4aa2-b1de-57600c4c3a08" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_5c972f9e-4d85-4a7f-b16b-eabeea3c31d5" xlink:to="loc_us-gaap_OperatingIncomeLoss_14318cba-aede-4aa2-b1de-57600c4c3a08" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_15cceb3f-5c06-45d9-a5a9-68478278e554" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_5c972f9e-4d85-4a7f-b16b-eabeea3c31d5" xlink:to="loc_us-gaap_InterestExpense_15cceb3f-5c06-45d9-a5a9-68478278e554" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingGainsLosses_343316c0-d231-461c-8bad-5eb6b1e0e5b4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NonoperatingGainsLosses"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_5c972f9e-4d85-4a7f-b16b-eabeea3c31d5" xlink:to="loc_us-gaap_NonoperatingGainsLosses_343316c0-d231-461c-8bad-5eb6b1e0e5b4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_cf97c11f-c781-4dc3-a5bf-911847ce7d38" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_f7e7531a-040e-4362-b74e-8848e0921974" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_cf97c11f-c781-4dc3-a5bf-911847ce7d38" xlink:to="loc_us-gaap_Revenues_f7e7531a-040e-4362-b74e-8848e0921974" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_8943fde2-761e-4023-9141-9aeeefbd2381" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_cf97c11f-c781-4dc3-a5bf-911847ce7d38" xlink:to="loc_us-gaap_CostsAndExpenses_8943fde2-761e-4023-9141-9aeeefbd2381" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="simple" xlink:href="vrsn-20251231.xsd#ConsolidatedStatementsOfCashFlows"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7a328cc7-4472-4d3f-9467-3d8b6f47b8fa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_09085572-23ce-4c0b-9df5-90890b609c4c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7a328cc7-4472-4d3f-9467-3d8b6f47b8fa" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_09085572-23ce-4c0b-9df5-90890b609c4c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_598e7126-1bbb-45a9-93ce-894e5bb2e8cf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7a328cc7-4472-4d3f-9467-3d8b6f47b8fa" xlink:to="loc_us-gaap_RepaymentsOfDebt_598e7126-1bbb-45a9-93ce-894e5bb2e8cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDebtNetOfIssuanceCosts_ae6157d6-f87b-4c3d-8746-72936b6b467a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromDebtNetOfIssuanceCosts"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7a328cc7-4472-4d3f-9467-3d8b6f47b8fa" xlink:to="loc_us-gaap_ProceedsFromDebtNetOfIssuanceCosts_ae6157d6-f87b-4c3d-8746-72936b6b467a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividends_b9be8849-7eec-4118-b664-8769a35bf88e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDividends"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7a328cc7-4472-4d3f-9467-3d8b6f47b8fa" xlink:to="loc_us-gaap_PaymentsOfDividends_b9be8849-7eec-4118-b664-8769a35bf88e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_213a599a-c8b6-41e1-a7ac-dfecab3b48cd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7a328cc7-4472-4d3f-9467-3d8b6f47b8fa" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_213a599a-c8b6-41e1-a7ac-dfecab3b48cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_PaymentOfExciseTaxOnRepurchasesOfCommonStock_e6b828a5-30ee-4578-b52c-56474daee588" xlink:href="vrsn-20251231.xsd#vrsn_PaymentOfExciseTaxOnRepurchasesOfCommonStock"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7a328cc7-4472-4d3f-9467-3d8b6f47b8fa" xlink:to="loc_vrsn_PaymentOfExciseTaxOnRepurchasesOfCommonStock_e6b828a5-30ee-4578-b52c-56474daee588" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_4eb4de1b-1e32-40b1-9071-71bbc143d8aa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7a328cc7-4472-4d3f-9467-3d8b6f47b8fa" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_4eb4de1b-1e32-40b1-9071-71bbc143d8aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_d2b7430a-82e2-4c1d-9417-84e5e9ffe12b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_4dbc3095-54f0-4bd1-9068-2731bde4e4e6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_d2b7430a-82e2-4c1d-9417-84e5e9ffe12b" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_4dbc3095-54f0-4bd1-9068-2731bde4e4e6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_fe368758-400c-4d1b-a5bc-42253ff40ba4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_d2b7430a-82e2-4c1d-9417-84e5e9ffe12b" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_fe368758-400c-4d1b-a5bc-42253ff40ba4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_898a0c20-a9d7-47d2-9da5-6445b3adfbbf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_d2b7430a-82e2-4c1d-9417-84e5e9ffe12b" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_898a0c20-a9d7-47d2-9da5-6445b3adfbbf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_61d31110-6a6d-4658-9465-1b39c901d00f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_d2b7430a-82e2-4c1d-9417-84e5e9ffe12b" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_61d31110-6a6d-4658-9465-1b39c901d00f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_016370bf-078a-4749-a015-981442e1a564" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_9dec43eb-980d-48c9-beec-6e1b3ae417ca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_016370bf-078a-4749-a015-981442e1a564" xlink:to="loc_us-gaap_ProfitLoss_9dec43eb-980d-48c9-beec-6e1b3ae417ca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_d604a2e7-211f-4cda-a2f5-f496373fc2b1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_016370bf-078a-4749-a015-981442e1a564" xlink:to="loc_us-gaap_DepreciationAndAmortization_d604a2e7-211f-4cda-a2f5-f496373fc2b1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_d4471abf-e4b9-4c24-a74b-df7f00ddbe7c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_016370bf-078a-4749-a015-981442e1a564" xlink:to="loc_us-gaap_ShareBasedCompensation_d4471abf-e4b9-4c24-a74b-df7f00ddbe7c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeAmortizationOfDiscount_b9147fa6-0f35-408d-87a4-84f82887291d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentIncomeAmortizationOfDiscount"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_016370bf-078a-4749-a015-981442e1a564" xlink:to="loc_us-gaap_InvestmentIncomeAmortizationOfDiscount_b9147fa6-0f35-408d-87a4-84f82887291d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_d5fee45c-5e2d-43fa-9047-be2987065fb0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_016370bf-078a-4749-a015-981442e1a564" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_d5fee45c-5e2d-43fa-9047-be2987065fb0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_e220d15e-f21d-4780-ac71-ffa17234c4db" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_016370bf-078a-4749-a015-981442e1a564" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_e220d15e-f21d-4780-ac71-ffa17234c4db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_108b1903-94a2-40f2-9c4c-a16d8462ee5e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_016370bf-078a-4749-a015-981442e1a564" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_108b1903-94a2-40f2-9c4c-a16d8462ee5e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_a1b3ade0-c28b-499e-9112-e234e4a1d97e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_016370bf-078a-4749-a015-981442e1a564" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_a1b3ade0-c28b-499e-9112-e234e4a1d97e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_a2e1781a-bf52-44d4-b6f8-974bd3a3956d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInDeferredIncomeTaxes"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_016370bf-078a-4749-a015-981442e1a564" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_a2e1781a-bf52-44d4-b6f8-974bd3a3956d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_10e416ab-2b02-46f5-bd7d-03e95d5994c5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_a2c36d6b-d390-4f00-8089-fb085a755f74" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_10e416ab-2b02-46f5-bd7d-03e95d5994c5" xlink:to="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_a2c36d6b-d390-4f00-8089-fb085a755f74" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireInvestments_10ceeffd-b745-452f-84ba-0d74e0d76d54" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireInvestments"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_10e416ab-2b02-46f5-bd7d-03e95d5994c5" xlink:to="loc_us-gaap_PaymentsToAcquireInvestments_10ceeffd-b745-452f-84ba-0d74e0d76d54" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_e51be0fa-69c2-4d1c-bbff-6bcb752ffd43" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_10e416ab-2b02-46f5-bd7d-03e95d5994c5" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_e51be0fa-69c2-4d1c-bbff-6bcb752ffd43" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_74cbd278-375b-4ebd-a768-64bfb7c98b3c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_10e416ab-2b02-46f5-bd7d-03e95d5994c5" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_74cbd278-375b-4ebd-a768-64bfb7c98b3c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/FinancialInstrumentsCashCashEquivalentsandMarketableSecuritiesDetails" xlink:type="simple" xlink:href="vrsn-20251231.xsd#FinancialInstrumentsCashCashEquivalentsandMarketableSecuritiesDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/FinancialInstrumentsCashCashEquivalentsandMarketableSecuritiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_422936c7-d14d-4e53-8a6a-c92c9fdcb74a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashEquivalentsAtCarryingValue_e020a330-8d12-43a9-acfe-336618a05df6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_422936c7-d14d-4e53-8a6a-c92c9fdcb74a" xlink:to="loc_us-gaap_CashEquivalentsAtCarryingValue_e020a330-8d12-43a9-acfe-336618a05df6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimeDepositsAtCarryingValue_0b117c74-d2ce-49a6-a14b-2fd0a2d1f3dd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TimeDepositsAtCarryingValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_422936c7-d14d-4e53-8a6a-c92c9fdcb74a" xlink:to="loc_us-gaap_TimeDepositsAtCarryingValue_0b117c74-d2ce-49a6-a14b-2fd0a2d1f3dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsAtCarryingValue_523c0988-93f2-4f9e-b9ce-393050c7bbbb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MoneyMarketFundsAtCarryingValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_422936c7-d14d-4e53-8a6a-c92c9fdcb74a" xlink:to="loc_us-gaap_MoneyMarketFundsAtCarryingValue_523c0988-93f2-4f9e-b9ce-393050c7bbbb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue_fd36c188-df00-4039-b492-b97db9fa678a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_422936c7-d14d-4e53-8a6a-c92c9fdcb74a" xlink:to="loc_us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue_fd36c188-df00-4039-b492-b97db9fa678a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/OtherBalanceSheetItemsOtherCurrentAssetsDetails" xlink:type="simple" xlink:href="vrsn-20251231.xsd#OtherBalanceSheetItemsOtherCurrentAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/OtherBalanceSheetItemsOtherCurrentAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_fe792005-0f4f-4dbc-bef0-22ee11888b17" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_85def9cd-57aa-437a-baa7-6ab0c09825ee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_fe792005-0f4f-4dbc-bef0-22ee11888b17" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_85def9cd-57aa-437a-baa7-6ab0c09825ee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_Prepaidregistryfeescurrent_908dbf5d-5693-4bdc-9626-fafc28b154d3" xlink:href="vrsn-20251231.xsd#vrsn_Prepaidregistryfeescurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_fe792005-0f4f-4dbc-bef0-22ee11888b17" xlink:to="loc_vrsn_Prepaidregistryfeescurrent_908dbf5d-5693-4bdc-9626-fafc28b154d3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_e0ac7bcf-fdeb-4a25-aec9-83665ca7f0be" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_fe792005-0f4f-4dbc-bef0-22ee11888b17" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_e0ac7bcf-fdeb-4a25-aec9-83665ca7f0be" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReceivable_8f010ad8-5a9e-4375-924c-796932e26bb9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReceivable"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_fe792005-0f4f-4dbc-bef0-22ee11888b17" xlink:to="loc_us-gaap_IncomeTaxReceivable_8f010ad8-5a9e-4375-924c-796932e26bb9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsMiscellaneousCurrent_97f74deb-c16e-4953-82b1-626f34f5bc60" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsMiscellaneousCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_fe792005-0f4f-4dbc-bef0-22ee11888b17" xlink:to="loc_us-gaap_OtherAssetsMiscellaneousCurrent_97f74deb-c16e-4953-82b1-626f34f5bc60" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/OtherBalanceSheetItemsPropertyAndEquipmentNetDetails" xlink:type="simple" xlink:href="vrsn-20251231.xsd#OtherBalanceSheetItemsPropertyAndEquipmentNetDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/OtherBalanceSheetItemsPropertyAndEquipmentNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_8de9ab06-d509-447d-95f3-26d7ae03a701" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_11ee9a83-1666-4924-807c-cbf37972b23b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_8de9ab06-d509-447d-95f3-26d7ae03a701" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_11ee9a83-1666-4924-807c-cbf37972b23b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_7468009e-8bfd-4484-b14d-87eaa5e3552a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_8de9ab06-d509-447d-95f3-26d7ae03a701" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_7468009e-8bfd-4484-b14d-87eaa5e3552a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_eea54a53-1723-4d10-8c0b-1af47a4dbf65" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareNet_9d950aad-c4dd-4c9c-84c2-71e5406d1a06" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CapitalizedComputerSoftwareNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_eea54a53-1723-4d10-8c0b-1af47a4dbf65" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareNet_9d950aad-c4dd-4c9c-84c2-71e5406d1a06" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingsAndImprovementsGross_6f1dc5f0-82b2-425e-8f5f-6c77863df798" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BuildingsAndImprovementsGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_eea54a53-1723-4d10-8c0b-1af47a4dbf65" xlink:to="loc_us-gaap_BuildingsAndImprovementsGross_6f1dc5f0-82b2-425e-8f5f-6c77863df798" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Land_9dd7dde7-5626-4057-8ffa-25720fe95ef7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Land"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_eea54a53-1723-4d10-8c0b-1af47a4dbf65" xlink:to="loc_us-gaap_Land_9dd7dde7-5626-4057-8ffa-25720fe95ef7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FurnitureAndFixturesGross_7d23e6f4-4db4-49b5-8537-1f85bf9b6284" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FurnitureAndFixturesGross"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_eea54a53-1723-4d10-8c0b-1af47a4dbf65" xlink:to="loc_us-gaap_FurnitureAndFixturesGross_7d23e6f4-4db4-49b5-8537-1f85bf9b6284" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressGross_fc804496-e268-49ea-b231-9fb22157145f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConstructionInProgressGross"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_eea54a53-1723-4d10-8c0b-1af47a4dbf65" xlink:to="loc_us-gaap_ConstructionInProgressGross_fc804496-e268-49ea-b231-9fb22157145f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseholdImprovementsGross_c18b0623-2001-402d-b14d-9ada65193101" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LeaseholdImprovementsGross"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_eea54a53-1723-4d10-8c0b-1af47a4dbf65" xlink:to="loc_us-gaap_LeaseholdImprovementsGross_c18b0623-2001-402d-b14d-9ada65193101" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/OtherBalanceSheetItemsGoodwillDetails" xlink:type="simple" xlink:href="vrsn-20251231.xsd#OtherBalanceSheetItemsGoodwillDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/OtherBalanceSheetItemsGoodwillDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_52d1d61b-2c63-4539-95e3-31816d957682" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillGross_7fa2b143-3662-4a9f-9d45-f6b24812c64b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GoodwillGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Goodwill_52d1d61b-2c63-4539-95e3-31816d957682" xlink:to="loc_us-gaap_GoodwillGross_7fa2b143-3662-4a9f-9d45-f6b24812c64b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_d30d41a7-4402-442c-8091-796b53af46c4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GoodwillImpairedAccumulatedImpairmentLoss"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Goodwill_52d1d61b-2c63-4539-95e3-31816d957682" xlink:to="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_d30d41a7-4402-442c-8091-796b53af46c4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/OtherBalanceSheetItemsOtherLongTermAssetsDetails" xlink:type="simple" xlink:href="vrsn-20251231.xsd#OtherBalanceSheetItemsOtherLongTermAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/OtherBalanceSheetItemsOtherLongTermAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_2739c446-7e19-4995-97f8-45a02139255a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_OperatingLeaseROUAsset_5bdfe208-6201-4176-ba06-7a0b76cd4cbb" xlink:href="vrsn-20251231.xsd#vrsn_OperatingLeaseROUAsset"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_2739c446-7e19-4995-97f8-45a02139255a" xlink:to="loc_vrsn_OperatingLeaseROUAsset_5bdfe208-6201-4176-ba06-7a0b76cd4cbb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_Prepaidregistryfeesnoncurent_e90cd4d4-8648-45b1-9a39-a2f752bed820" xlink:href="vrsn-20251231.xsd#vrsn_Prepaidregistryfeesnoncurent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_2739c446-7e19-4995-97f8-45a02139255a" xlink:to="loc_vrsn_Prepaidregistryfeesnoncurent_e90cd4d4-8648-45b1-9a39-a2f752bed820" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseNoncurrent_5bd6d88c-964c-4458-bd5c-71ca0d9ba4f7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_2739c446-7e19-4995-97f8-45a02139255a" xlink:to="loc_us-gaap_PrepaidExpenseNoncurrent_5bd6d88c-964c-4458-bd5c-71ca0d9ba4f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_96cb4ff2-f7a5-4dfc-a56c-9f82d88035fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCash"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_2739c446-7e19-4995-97f8-45a02139255a" xlink:to="loc_us-gaap_RestrictedCash_96cb4ff2-f7a5-4dfc-a56c-9f82d88035fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsMiscellaneousNoncurrent_f5370f0b-0abf-4c43-9122-49c7a1bd74e5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsMiscellaneousNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_2739c446-7e19-4995-97f8-45a02139255a" xlink:to="loc_us-gaap_OtherAssetsMiscellaneousNoncurrent_f5370f0b-0abf-4c43-9122-49c7a1bd74e5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/OtherBalanceSheetItemsComponentsofAccountsPayableAndAccruedLiabilitiesDetails" xlink:type="simple" xlink:href="vrsn-20251231.xsd#OtherBalanceSheetItemsComponentsofAccountsPayableAndAccruedLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/OtherBalanceSheetItemsComponentsofAccountsPayableAndAccruedLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_e3f0a630-82d6-473d-9643-475c1e15b4a2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableTradeCurrent_6ae96ee8-bd97-42d1-a45b-faeed84286cd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableTradeCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_e3f0a630-82d6-473d-9643-475c1e15b4a2" xlink:to="loc_us-gaap_AccountsPayableTradeCurrent_6ae96ee8-bd97-42d1-a45b-faeed84286cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerDepositsCurrent_af62c934-bc7a-466b-abe3-64e5d4247f50" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CustomerDepositsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_e3f0a630-82d6-473d-9643-475c1e15b4a2" xlink:to="loc_us-gaap_CustomerDepositsCurrent_af62c934-bc7a-466b-abe3-64e5d4247f50" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedEmployeeBenefitsCurrent_019be66f-4781-79f2-a753-f8fb31d27e48" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedEmployeeBenefitsCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_e3f0a630-82d6-473d-9643-475c1e15b4a2" xlink:to="loc_us-gaap_AccruedEmployeeBenefitsCurrent_019be66f-4781-79f2-a753-f8fb31d27e48" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesPayableCurrent_3bc144df-69a2-437e-bc6b-846dd9809785" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TaxesPayableCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_e3f0a630-82d6-473d-9643-475c1e15b4a2" xlink:to="loc_us-gaap_TaxesPayableCurrent_3bc144df-69a2-437e-bc6b-846dd9809785" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrentAndNoncurrent_da01aa75-106b-444a-987f-ed1db4d74040" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestPayableCurrentAndNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_e3f0a630-82d6-473d-9643-475c1e15b4a2" xlink:to="loc_us-gaap_InterestPayableCurrentAndNoncurrent_da01aa75-106b-444a-987f-ed1db4d74040" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_Accruedfees_857d6a9a-196d-4587-9509-ca4cb006ff2a" xlink:href="vrsn-20251231.xsd#vrsn_Accruedfees"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_e3f0a630-82d6-473d-9643-475c1e15b4a2" xlink:to="loc_vrsn_Accruedfees_857d6a9a-196d-4587-9509-ca4cb006ff2a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_Customerincentivespayable_e10b4706-0473-4138-adb6-be11c8383d73" xlink:href="vrsn-20251231.xsd#vrsn_Customerincentivespayable"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_e3f0a630-82d6-473d-9643-475c1e15b4a2" xlink:to="loc_vrsn_Customerincentivespayable_e10b4706-0473-4138-adb6-be11c8383d73" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_6f83f7ac-6fc3-4a68-854d-458e50948bfb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_e3f0a630-82d6-473d-9643-475c1e15b4a2" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_6f83f7ac-6fc3-4a68-854d-458e50948bfb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_7a4be960-f3d6-4887-8f8b-5271ed14ec06" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_e3f0a630-82d6-473d-9643-475c1e15b4a2" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_7a4be960-f3d6-4887-8f8b-5271ed14ec06" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/OtherBalanceSheetItemsLongtermTaxandOtherLiabilitiesDetails" xlink:type="simple" xlink:href="vrsn-20251231.xsd#OtherBalanceSheetItemsLongtermTaxandOtherLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/OtherBalanceSheetItemsLongtermTaxandOtherLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_0544c416-2562-4661-995e-d1b9299a8425" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_3e3b7cae-a5d7-4d18-9753-611815307db3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_0544c416-2562-4661-995e-d1b9299a8425" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_3e3b7cae-a5d7-4d18-9753-611815307db3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_LongTermOperatingLeaseLiabilities_a16ad8d1-60ff-4004-bd17-f82474437748" xlink:href="vrsn-20251231.xsd#vrsn_LongTermOperatingLeaseLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_0544c416-2562-4661-995e-d1b9299a8425" xlink:to="loc_vrsn_LongTermOperatingLeaseLiabilities_a16ad8d1-60ff-4004-bd17-f82474437748" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/CalculationOfNetIncomePerShareWeightedAverageSharesUsedInCalculationOfBasicAndDilutedEPSDetails" xlink:type="simple" xlink:href="vrsn-20251231.xsd#CalculationOfNetIncomePerShareWeightedAverageSharesUsedInCalculationOfBasicAndDilutedEPSDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/CalculationOfNetIncomePerShareWeightedAverageSharesUsedInCalculationOfBasicAndDilutedEPSDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_0c29d1e9-3e60-4ae6-b97b-e62221212df9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1f66c0d2-d268-4b91-beb6-5bcd28b60740" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_0c29d1e9-3e60-4ae6-b97b-e62221212df9" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1f66c0d2-d268-4b91-beb6-5bcd28b60740" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends_c5f2d6a9-b48b-4764-8b58-09dd4fd504e9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_0c29d1e9-3e60-4ae6-b97b-e62221212df9" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends_c5f2d6a9-b48b-4764-8b58-09dd4fd504e9" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/SegmentReportingScheduleofSegmentReportingInformationReconciletoNetIncomeDetails" xlink:type="simple" xlink:href="vrsn-20251231.xsd#SegmentReportingScheduleofSegmentReportingInformationReconciletoNetIncomeDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/SegmentReportingScheduleofSegmentReportingInformationReconciletoNetIncomeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_7e110597-df17-41d0-b69e-0fa846cd68b0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_2a720c2a-4eda-4842-b34e-a82351f613fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_7e110597-df17-41d0-b69e-0fa846cd68b0" xlink:to="loc_us-gaap_Revenues_2a720c2a-4eda-4842-b34e-a82351f613fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LaborAndRelatedExpense_d1629fa3-5378-4f30-8b6a-e5c2e7a6718c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LaborAndRelatedExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_7e110597-df17-41d0-b69e-0fa846cd68b0" xlink:to="loc_us-gaap_LaborAndRelatedExpense_d1629fa3-5378-4f30-8b6a-e5c2e7a6718c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_81a5ea40-7dcf-4f66-9e2f-0ea13ffcc165" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_7e110597-df17-41d0-b69e-0fa846cd68b0" xlink:to="loc_us-gaap_ShareBasedCompensation_81a5ea40-7dcf-4f66-9e2f-0ea13ffcc165" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquipmentExpense_adfa9de7-8d77-4296-bdd8-7449231cd5df" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquipmentExpense"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_7e110597-df17-41d0-b69e-0fa846cd68b0" xlink:to="loc_us-gaap_EquipmentExpense_adfa9de7-8d77-4296-bdd8-7449231cd5df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_RegistryFeeExpenses_a2d1e1ef-cf31-413e-81af-e6f74a94176b" xlink:href="vrsn-20251231.xsd#vrsn_RegistryFeeExpenses"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_7e110597-df17-41d0-b69e-0fa846cd68b0" xlink:to="loc_vrsn_RegistryFeeExpenses_a2d1e1ef-cf31-413e-81af-e6f74a94176b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_3d5cf2ab-d7bb-4f14-8e3b-915f8d039ab4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_7e110597-df17-41d0-b69e-0fa846cd68b0" xlink:to="loc_us-gaap_DepreciationAndAmortization_3d5cf2ab-d7bb-4f14-8e3b-915f8d039ab4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingOtherItemAmount_a875b12d-5e96-4fbe-bc10-24382045af41" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentReportingOtherItemAmount"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_7e110597-df17-41d0-b69e-0fa846cd68b0" xlink:to="loc_us-gaap_SegmentReportingOtherItemAmount_a875b12d-5e96-4fbe-bc10-24382045af41" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_9c1b9629-d924-4f4c-9087-60077c165eda" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_6e4b1e67-c0a1-45c4-ad49-73e0b64a7713" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_9c1b9629-d924-4f4c-9087-60077c165eda" xlink:to="loc_us-gaap_OperatingIncomeLoss_6e4b1e67-c0a1-45c4-ad49-73e0b64a7713" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_5873cbc8-f339-4736-b2bc-75971997196a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_9c1b9629-d924-4f4c-9087-60077c165eda" xlink:to="loc_us-gaap_InterestExpense_5873cbc8-f339-4736-b2bc-75971997196a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingGainsLosses_8b0b96cb-bb64-49ff-9ec0-72dd9c93739b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NonoperatingGainsLosses"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_9c1b9629-d924-4f4c-9087-60077c165eda" xlink:to="loc_us-gaap_NonoperatingGainsLosses_8b0b96cb-bb64-49ff-9ec0-72dd9c93739b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_7d918476-af20-43ab-a5a3-7bb8afdcff9f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_9c1b9629-d924-4f4c-9087-60077c165eda" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_7d918476-af20-43ab-a5a3-7bb8afdcff9f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/NonoperatingincomenetScheduleofNonoperatingincomenetDetails" xlink:type="simple" xlink:href="vrsn-20251231.xsd#NonoperatingincomenetScheduleofNonoperatingincomenetDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/NonoperatingincomenetScheduleofNonoperatingincomenetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_70b5e3a4-ae86-4759-ade6-8d22f1083ad8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterestAndDividend_b86420e1-08e3-4a3b-b17a-f77ab4756467" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentIncomeInterestAndDividend"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_70b5e3a4-ae86-4759-ade6-8d22f1083ad8" xlink:to="loc_us-gaap_InvestmentIncomeInterestAndDividend_b86420e1-08e3-4a3b-b17a-f77ab4756467" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_ca498eab-b29d-4c12-8043-cb9a45b9f4e2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_70b5e3a4-ae86-4759-ade6-8d22f1083ad8" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_ca498eab-b29d-4c12-8043-cb9a45b9f4e2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/IncomeTaxesIncomeFromContinuingOperationsBeforeIncomeTaxesDetails" xlink:type="simple" xlink:href="vrsn-20251231.xsd#IncomeTaxesIncomeFromContinuingOperationsBeforeIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/IncomeTaxesIncomeFromContinuingOperationsBeforeIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a8deab09-ea9f-46c8-81e0-aee43e426c5b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_1071ab20-8b8a-40d7-809d-845bfe77bf07" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a8deab09-ea9f-46c8-81e0-aee43e426c5b" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_1071ab20-8b8a-40d7-809d-845bfe77bf07" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_54ef969b-f789-4d7c-9289-eedff14c276a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a8deab09-ea9f-46c8-81e0-aee43e426c5b" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_54ef969b-f789-4d7c-9289-eedff14c276a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/IncomeTaxesComponentsOfProvisionForIncomeTaxesDetails" xlink:type="simple" xlink:href="vrsn-20251231.xsd#IncomeTaxesComponentsOfProvisionForIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/IncomeTaxesComponentsOfProvisionForIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_0daa854a-b511-4e71-b924-de8d34ceb1bc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_56619f91-b43e-4ca9-b987-3064163d0103" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_0daa854a-b511-4e71-b924-de8d34ceb1bc" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_56619f91-b43e-4ca9-b987-3064163d0103" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f0eae81f-7074-46a4-bca5-547834877d0e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_0daa854a-b511-4e71-b924-de8d34ceb1bc" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f0eae81f-7074-46a4-bca5-547834877d0e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_6a2679d2-8089-426f-93fc-a0e911f03db4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_7794d1d5-a03c-467c-8b08-6e7a6389e773" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_6a2679d2-8089-426f-93fc-a0e911f03db4" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_7794d1d5-a03c-467c-8b08-6e7a6389e773" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_8fade999-7cfd-45b3-9be6-c14ad9fc6776" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_6a2679d2-8089-426f-93fc-a0e911f03db4" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_8fade999-7cfd-45b3-9be6-c14ad9fc6776" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_51177628-08c5-403b-a64b-8671f9504752" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_6a2679d2-8089-426f-93fc-a0e911f03db4" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_51177628-08c5-403b-a64b-8671f9504752" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e5c033a4-8ec6-48ac-ab26-073a7c114987" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_a57b4c82-d9c8-46fd-80bf-8b28814f2f2c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e5c033a4-8ec6-48ac-ab26-073a7c114987" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_a57b4c82-d9c8-46fd-80bf-8b28814f2f2c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_322796fc-0b49-41ce-bf14-c47bb19d2d0f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e5c033a4-8ec6-48ac-ab26-073a7c114987" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_322796fc-0b49-41ce-bf14-c47bb19d2d0f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_0f326903-89c1-4d90-a289-9df8b936d85f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e5c033a4-8ec6-48ac-ab26-073a7c114987" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_0f326903-89c1-4d90-a289-9df8b936d85f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/IncomeTaxesEffectivetaxrateDetails" xlink:type="simple" xlink:href="vrsn-20251231.xsd#IncomeTaxesEffectivetaxrateDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/IncomeTaxesEffectivetaxrateDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_136298ea-b0c0-4a3b-a59f-95413ee3c376" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_92561ba3-19e7-4fb7-8ab4-6cdfe1d5173f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_136298ea-b0c0-4a3b-a59f-95413ee3c376" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_92561ba3-19e7-4fb7-8ab4-6cdfe1d5173f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationGiltiAmount_e90125a2-c993-42e0-8064-ed558c6fdb57" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationGiltiAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_136298ea-b0c0-4a3b-a59f-95413ee3c376" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationGiltiAmount_e90125a2-c993-42e0-8064-ed558c6fdb57" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderOtherAmount_6f896787-81c3-4ad9-bb2d-ad24ea08ddb7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderOtherAmount"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_136298ea-b0c0-4a3b-a59f-95413ee3c376" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderOtherAmount_6f896787-81c3-4ad9-bb2d-ad24ea08ddb7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_15938be3-d4ab-447e-b568-6c0b2ee8e75d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_136298ea-b0c0-4a3b-a59f-95413ee3c376" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_15938be3-d4ab-447e-b568-6c0b2ee8e75d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_3ac5cd2c-a360-47e4-a873-c19a0bb7d2f6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_136298ea-b0c0-4a3b-a59f-95413ee3c376" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_3ac5cd2c-a360-47e4-a873-c19a0bb7d2f6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_00e80133-bcdd-4517-9a6a-6b8bfb520f67" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_136298ea-b0c0-4a3b-a59f-95413ee3c376" xlink:to="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_00e80133-bcdd-4517-9a6a-6b8bfb520f67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_EffectiveIncomeTaxRateReconciliationFribourgSwitzerlandForeignTaxEffectsAmount_721e1b1b-062d-4850-9d42-7ef9bdfc0b26" xlink:href="vrsn-20251231.xsd#vrsn_EffectiveIncomeTaxRateReconciliationFribourgSwitzerlandForeignTaxEffectsAmount"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_136298ea-b0c0-4a3b-a59f-95413ee3c376" xlink:to="loc_vrsn_EffectiveIncomeTaxRateReconciliationFribourgSwitzerlandForeignTaxEffectsAmount_721e1b1b-062d-4850-9d42-7ef9bdfc0b26" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_EffectiveIncomeTaxRateReconciliationSwitzerlandMinimumTaxesForeignTaxEffectsAmount_7e0315ab-f7fb-479c-b9ee-ecd0251647fb" xlink:href="vrsn-20251231.xsd#vrsn_EffectiveIncomeTaxRateReconciliationSwitzerlandMinimumTaxesForeignTaxEffectsAmount"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_136298ea-b0c0-4a3b-a59f-95413ee3c376" xlink:to="loc_vrsn_EffectiveIncomeTaxRateReconciliationSwitzerlandMinimumTaxesForeignTaxEffectsAmount_7e0315ab-f7fb-479c-b9ee-ecd0251647fb" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/IncomeTaxesEffectivetaxrateDetails_1" xlink:type="simple" xlink:href="vrsn-20251231.xsd#IncomeTaxesEffectivetaxrateDetails_1"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/IncomeTaxesEffectivetaxrateDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_4d6bebe8-fa3f-4984-8724-7ca4d6953733" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_ac93d9c4-bbec-4839-8ee6-8143db69624e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4d6bebe8-fa3f-4984-8724-7ca4d6953733" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_ac93d9c4-bbec-4839-8ee6-8143db69624e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_fe98d8a0-2c3f-483d-ac9c-d706b7eb0d46" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4d6bebe8-fa3f-4984-8724-7ca4d6953733" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_fe98d8a0-2c3f-483d-ac9c-d706b7eb0d46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_332ff626-13a9-41e3-91d6-369e99747eb4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4d6bebe8-fa3f-4984-8724-7ca4d6953733" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_332ff626-13a9-41e3-91d6-369e99747eb4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_Effectivetaxratereconciliationaccrualforuncertaintaxpositions_79cd1a07-a60f-4745-8218-4792d0c8b3dc" xlink:href="vrsn-20251231.xsd#vrsn_Effectivetaxratereconciliationaccrualforuncertaintaxpositions"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4d6bebe8-fa3f-4984-8724-7ca4d6953733" xlink:to="loc_vrsn_Effectivetaxratereconciliationaccrualforuncertaintaxpositions_79cd1a07-a60f-4745-8218-4792d0c8b3dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_4d662b81-b84c-41e6-b127-0b3ce945d3e0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4d6bebe8-fa3f-4984-8724-7ca4d6953733" xlink:to="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_4d662b81-b84c-41e6-b127-0b3ce945d3e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_DeferredTaxAssetRelatedToNonUSIntellectualProperty_a17f57b0-84d5-4fac-9356-4b40f5628d30" xlink:href="vrsn-20251231.xsd#vrsn_DeferredTaxAssetRelatedToNonUSIntellectualProperty"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4d6bebe8-fa3f-4984-8724-7ca4d6953733" xlink:to="loc_vrsn_DeferredTaxAssetRelatedToNonUSIntellectualProperty_a17f57b0-84d5-4fac-9356-4b40f5628d30" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_054a885d-e5bb-40dc-9bab-eb8d501b76ef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4d6bebe8-fa3f-4984-8724-7ca4d6953733" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_054a885d-e5bb-40dc-9bab-eb8d501b76ef" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="simple" xlink:href="vrsn-20251231.xsd#IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/IncomeTaxesSummaryOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_d3a6b531-7fdf-4477-ad88-c5e51969ee39" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_83709ff8-0c67-4ca7-9f22-4a12ade72ce5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_d3a6b531-7fdf-4477-ad88-c5e51969ee39" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_83709ff8-0c67-4ca7-9f22-4a12ade72ce5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_ff6711ac-925c-4441-a48e-7f8bf96e0a04" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_d3a6b531-7fdf-4477-ad88-c5e51969ee39" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_ff6711ac-925c-4441-a48e-7f8bf96e0a04" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_4e1f1038-c06c-4892-b515-09fe75d6ac20" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_DeferredTaxAssetIntellectualProperty_c2698a7e-09d0-4f0c-a800-c3d2d43bbb7d" xlink:href="vrsn-20251231.xsd#vrsn_DeferredTaxAssetIntellectualProperty"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_4e1f1038-c06c-4892-b515-09fe75d6ac20" xlink:to="loc_vrsn_DeferredTaxAssetIntellectualProperty_c2698a7e-09d0-4f0c-a800-c3d2d43bbb7d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsDeferredIncome_510af8b8-d124-42f6-8cb4-2e2c5ae3da53" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsDeferredIncome"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_4e1f1038-c06c-4892-b515-09fe75d6ac20" xlink:to="loc_us-gaap_DeferredTaxAssetsDeferredIncome_510af8b8-d124-42f6-8cb4-2e2c5ae3da53" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_DeferredTaxAssetResearchAndDevelopmentCosts_ca70038b-dc9c-4356-b681-cc179b6b5c49" xlink:href="vrsn-20251231.xsd#vrsn_DeferredTaxAssetResearchAndDevelopmentCosts"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_4e1f1038-c06c-4892-b515-09fe75d6ac20" xlink:to="loc_vrsn_DeferredTaxAssetResearchAndDevelopmentCosts_ca70038b-dc9c-4356-b681-cc179b6b5c49" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_b23c29a3-c4ae-486a-9766-c2b91997a68c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_4e1f1038-c06c-4892-b515-09fe75d6ac20" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_b23c29a3-c4ae-486a-9766-c2b91997a68c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/IncomeTaxesDetails" xlink:type="simple" xlink:href="vrsn-20251231.xsd#IncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/IncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_019be781-865e-726e-ab54-04a0b5613bd9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxesPaidNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxPaidFederalAfterRefundReceived_019be781-865e-777a-b4b2-ec866aeedfcc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxPaidFederalAfterRefundReceived"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_019be781-865e-726e-ab54-04a0b5613bd9" xlink:to="loc_us-gaap_IncomeTaxPaidFederalAfterRefundReceived_019be781-865e-777a-b4b2-ec866aeedfcc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived_019be781-865e-7bf7-9390-4a8f8e35fe83" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_019be781-865e-726e-ab54-04a0b5613bd9" xlink:to="loc_us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived_019be781-865e-7bf7-9390-4a8f8e35fe83" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxPaidForeignAfterRefundReceived_019be781-865e-7561-adcd-0e4349639e31" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxPaidForeignAfterRefundReceived"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_019be781-865e-726e-ab54-04a0b5613bd9" xlink:to="loc_us-gaap_IncomeTaxPaidForeignAfterRefundReceived_019be781-865e-7561-adcd-0e4349639e31" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/CommitmentsAndContingenciesMinimumPaymentsRequiredUnderPurchaseObligationsDetails" xlink:type="simple" xlink:href="vrsn-20251231.xsd#CommitmentsAndContingenciesMinimumPaymentsRequiredUnderPurchaseObligationsDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/CommitmentsAndContingenciesMinimumPaymentsRequiredUnderPurchaseObligationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligation_e89b360a-b524-4c41-a067-b4fc50b4c87b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PurchaseObligation"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_PurchaseObligationsAndContractualAgreementsDueWithinOneYear_d8420ae3-4889-41c4-ae6a-0e86130a3016" xlink:href="vrsn-20251231.xsd#vrsn_PurchaseObligationsAndContractualAgreementsDueWithinOneYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_e89b360a-b524-4c41-a067-b4fc50b4c87b" xlink:to="loc_vrsn_PurchaseObligationsAndContractualAgreementsDueWithinOneYear_d8420ae3-4889-41c4-ae6a-0e86130a3016" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_PurchaseObligationsAndContractualAgreementsDueInSecondYear_111ccc53-7129-4912-85d8-7285932e35dd" xlink:href="vrsn-20251231.xsd#vrsn_PurchaseObligationsAndContractualAgreementsDueInSecondYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_e89b360a-b524-4c41-a067-b4fc50b4c87b" xlink:to="loc_vrsn_PurchaseObligationsAndContractualAgreementsDueInSecondYear_111ccc53-7129-4912-85d8-7285932e35dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_PurchaseObligationsAndContractualAgreementsDueInThirdYear_69985167-d9ae-4be8-b567-1ea4efd70157" xlink:href="vrsn-20251231.xsd#vrsn_PurchaseObligationsAndContractualAgreementsDueInThirdYear"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_e89b360a-b524-4c41-a067-b4fc50b4c87b" xlink:to="loc_vrsn_PurchaseObligationsAndContractualAgreementsDueInThirdYear_69985167-d9ae-4be8-b567-1ea4efd70157" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_PurchaseObligationsAndContractualAgreementsDueInFourthYear_8b90b32b-702a-46bd-801c-82969799ee16" xlink:href="vrsn-20251231.xsd#vrsn_PurchaseObligationsAndContractualAgreementsDueInFourthYear"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_e89b360a-b524-4c41-a067-b4fc50b4c87b" xlink:to="loc_vrsn_PurchaseObligationsAndContractualAgreementsDueInFourthYear_8b90b32b-702a-46bd-801c-82969799ee16" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_PurchaseObligationsAndContractualAgreementsDueInFifthYear_cadef328-bead-46f2-b483-884e7e39d2ed" xlink:href="vrsn-20251231.xsd#vrsn_PurchaseObligationsAndContractualAgreementsDueInFifthYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_e89b360a-b524-4c41-a067-b4fc50b4c87b" xlink:to="loc_vrsn_PurchaseObligationsAndContractualAgreementsDueInFifthYear_cadef328-bead-46f2-b483-884e7e39d2ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_PurchaseObligationsAndContractualAgreementsDueAfterFifthYear_6ce18d96-d5c2-42f0-af24-4a1e469fe2ba" xlink:href="vrsn-20251231.xsd#vrsn_PurchaseObligationsAndContractualAgreementsDueAfterFifthYear"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_e89b360a-b524-4c41-a067-b4fc50b4c87b" xlink:to="loc_vrsn_PurchaseObligationsAndContractualAgreementsDueAfterFifthYear_6ce18d96-d5c2-42f0-af24-4a1e469fe2ba" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
