CHANGES FOR OPENTEXT™ CORE DNS PROTECTION DNS RESOLVERS


  Please choose from the release notes listed below:
 

DNS Protection Core 4.4 - September 2, 2026

Updates
  • Added support for Mac DNS Protection agents.
  • Introduced collection of DNS tunneling telemetry to enhance visibility into potentially suspicious DNS activity.
  • Implemented additional security fixes and enhancements across the resolver platform.
 
 

DNS Protection Core 4.1 - January 18, 2024

Updates
  • Expanded support for managing new OpenText Threat Intelligence categories.
  • Refreshed third‑party libraries to maintain PSAP compliance.
  • Updated resolver integration to support newer revisions of OpenText Threat Intelligence SDK.
  • Implemented additional security fixes and enhancements across the resolver platform.
 
 

DNS Protection Core 4.0 - August 1, 2022

Updates
  • Added support for managing new OpenText Threat Intelligence categories.
  • Updated third-party libraries to maintain PSAP compliance.
  • Updated resolver infrastructure to support the newer OpenText Threat Intelligence SDK.
  • Implemented additional security enhancements across the resolver platform.
Fixes
  • Fixed DNS forwarder validation behavior.
  • Resolved an issue where domains could be incorrectly classified as Uncategorized.
 

DNS Protection Core 3.4 - January 20, 2022

Updates
  • Expanded SafeSearch support to include Bing.
  • Expanded SafeSearch support to include DuckDuckGo.
  • Expanded SafeSearch support to include YouTube, with Strict and Moderate options.
Fixes
  • Core redesigned to improve resiliency and reduce chance of DNS resolution failures.
 

DNS Protection Core 3.3 - February 17, 2021

Updates
  • Improved resolver performance and stability.
  • Enhanced logging capabilities for operational visibility.
Fixes
  • Resolved an issue where overrides did not correctly apply to Google SafeSearch.
 

DNS Protection Core 3.2 - October 27, 2020

Updates
  • Added privacy and security feature support.
  • Added Google SafeSearch enforcement within DNS Protection.
Fixes
  • Resolved multiple resolver-related defects.
 

DNS Protection Core 3.1 - July 9, 2020

Updates
  • Added support for DNS over HTTPS (DoH).
 

DNS Protection Core 3.0 - March 9, 2020

Updates
  • Improved resolver performance and DNS caching behavior.
  • Implemented additional security enhancements.
  • Introduced foundational changes in preparation for DNS over HTTPS support.
 

DNS Protection Core - Google Cloud Platform Migration - June 2019

Infrastructure
  • Migrated DNS Protection Core resolver infrastructure to Google Cloud Platform.
 

DNS Protection Core 2.3 - October 30, 2018

Updates
  • Improved resolver performance and caching behavior.
  • Implemented DNS Flag Day related updates.
 

DNS Protection Core 2.1 - December 11, 2017

Updates
  • Added bypass list support.
  • Implemented IPv6 improvements.
  • Improved resolver performance and stability.

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