What's new in the Root Zone Management System

What's New in RZMS

We regularly update the Root Zone Management System to implement new features, improvements and fixes.

Version 3.6.1 (02 June 2026)

  • Resolved an issue that impacted API users ability to retrieve domain details.

Version 3.6 (25 May 2026)

  • Updated internal libraries and other internal interface updates
  • Improved internal system logging

Version 3.5.2 (16 December 2025)

  • Resolved an issue that prevented some users from submitting change requests.

Version 3.5.1 (6 December 2025)

  • Resolved an issue that delayed the sending of emails.

Version 3.5 (25 November 2025)

  • Improved notifications for change requests that impact multiple domains.
  • Added the ability for users to opt-out of specific email notifications.

Version 3.4 (2 June 2025)

  • Updated internal libraries.

Version 3.3 (7 May 2025)

  • Updated internal frameworks.

Version 3.2.1 (30 January 2025)

  • Fixed an issue that prevented the use of some valid registration URLs.

Version 3.2 (30 October 2024)

  • Added Identity Verification for credentialed users. See the Identity Verification user guide for details.
  • Enabled Multi-Factor Authentication (MFA) for users who have completed Identity Verification. MFA can be activated from the Settings page in RZMS.
  • Enhanced the RZMS API and added an Operation Test and Evaluation (OTE) environment. See the RZMS API user guide for details.
  • Fixed an issue that may have contributed to email being discarded by some mail servers.
  • Updated internal frameworks.

Version 3.1 (6 May 2024)

  • Updated internal frameworks.
  • Fixed an issue that prevented the use of some valid phone numbers.
  • Added backend support for upcoming two-factor authentication and API token features.

Version 3.0.8 (20 March 2024)

  • Fixed an issue impacting completion notifications.

Version 3.0.7 (28 November 2023)

  • Updated internal frameworks.

Version 3.0.6 (18 October 2023)

  • Improved handling of process exceptions in the staff interface.

Version 3.0.5 (29 August 2023)

  • Fixed an issue that prevented the use of some special characters in passwords.
  • Fixed an issue where a change to an organization was shown incorrectly when approving change requests.
  • Backend support for Edwards-curve Digital Signature Algorithm (EdDSA) in Delegation Signer (DS) records, which will be enabled at a later date.

Version 3.0.4 (27 March 2023)

  • Fixed an issue where notification emails were not sent following completion of revocation requests.

Version 3.0.3 (2 March 2023)

  • Resolved an issue that prevented some users from changing their passwords.
  • Added an option to initiate a technical retest in additional situations.
  • Minor improvements to user experience for the password reset workflow.

Version 3.0.2 (20 December 2022)

  • Resolved an issue that prevented submission of change requests for domains with percent-encoded registration URLs.

Version 3.0.1 (13 December 2022)

  • A new authorization model that enables TLD Managers to define more than two approvers, and configure approval thresholds based on the type of change requests.
  • Support for multiple concurrent change requests.
  • An Application Programming Interface (API) for TLD managers to submit change requests and manage the change request lifecycle.
  • Changes to shared glue address records no longer require consent from all impacted TLDs.
  • Additional checks within the existing technical name server requirments, such as the enforcement of network diversity for IPv6 networks.
  • Significant redesign of the TLD manager interface.

Note: Version 3.0.0 was not released.

Earlier releases

Version 2.3.10 (23 September 2021)

  • Improve calculation of DNS response payload size in technical checks.
  • Add additional parallel testing capabilities for Version 3 under development.
  • Internal framework updates.

Version 2.3.9 (29 April 2021)

  • Display notice for the new Privacy Policy and Terms of Service.
  • Update cipher suites used in communications with the Root Zone Maintainer function.

Version 2.3.8 (24 September 2020)

  • Add parallel testing capabilities for version 3 under development.
  • Minor bug fixes.

Version 2.3.7 (10 June 2020)

  • Performance improvements for SLA data collection.

Version 2.3.6 (12 December 2019)

  • Improve error messages during RDAP server validation.
  • Minor bug fixes.

Version 2.3.5 (11 July 2019)

  • Fix an issue where some change requests including RDAP servers could not be submitted via the web interface.
  • Fix an issue where the web interface could become unresponsive when changing subdomain data.

Version 2.3.4 (15 November 2018)

  • Enhancements to reduce time taken to perform technical checks in certain scenarios
  • Added references to the Privacy Policy and Terms of Service
  • Other minor improvements

Version 2.3.3 (1 December 2017)

  • Improve technical testing of RDAP servers.

Version 2.3.2 (26 October 2017)

  • Terminology changes to phase out the term "sponsoring organization" in accordance with the ccNSO Framework of Interpretation.
  • Enable support for new DNSSEC algorithms for TLDs (GOST, ECDSA) and new digest types for DS records (GOST, SHA384).

Version 2.3.1 (28 September 2017)

  • Minor bug fixes and improvements.

Version 2.3 (23 August 2017)

  • Future capability for new DNSSEC algorithms for TLDs.
  • Support for automated transmittal of TLD deletions and root server changes to the Root Zone Maintainer function.
  • Other minor bug fixes and improvements.

Version 2.2.5 (4 May 2017)

  • Performance improvements when performing technical checks by removing scenario where the same IP address may receive a query more than once.
  • Internal performance improvements.

Version 2.2.4 (31 March 2017)

  • Fix potential XSS vulnerability when an exception error page is shown.

Version 2.2.3 (24 October 2016)

  • Modification to remove legacy reference to US Government role.
  • Fix bug relating to duplicate SLA events for credential recovery.

Version 2.2.2 (10 August 2016)

  • When forcing resending confirmation emails, only sends those emails to those who have not yet responded.
  • Eliminate exception notifications for a normal condition that is expected and is not an error.
  • Improved feedback for data input errors in fields.
  • Internal framework updates.
  • Other minor bug fixes and improvements.

Version 2.2 (1 March 2016)

  • Implement support for listing RDAP servers in Root Zone Database.
  • IANA transition: Add services to support parallel testing of post-transition operations.
  • IANA transition: Implement data exporting to power the "service level expectation" metrics. (See https://sle-dashboard.iana.org)
  • IANA transition: Add capability to turn off US Government role in approving change requests.
  • Improve delegation PINs for gTLD delegations so they are less confusable.
  • Other bug fixes and improvements.

Version 2.1.2 (1 August 2015)

  • Fix a condition where a technical test could loop due to a misconfigured TLD nameserver.

Version 2.1.1 (25 June 2015)

  • Allow new gTLD applicants to review pending request status by using their delegation PIN.
  • Add user-friendly error message when CSRF protections are enacted.
  • Minor bug fixes.

Version 2.1.0 (4 June 2015)

  • Improve reliability of tech check results by performing more iterative lookup logic in RZMS rather than using a local resolver.
  • Fix for potential XSS issue on RZMS customer interface.
  • Other minor bug fixes.

Version 2.0

  • Add support for 2012 round of new gTLDs, including token redemption and delegation processing workflow.
  • Significant redesign of TLD manager interface.

Version 1.0

  • Original release.
Published , last revised .