Notice of updates to TLS Protocol and Cipher Suites

Date announced: July 8, 2025 12:03 pm

Status: Planned

As part of Nominet’s ongoing commitment to strengthening our security measures, we are updating our supported TLS protocols and cipher suites. Please note specific actions your technical teams may need to take to support this change. Nominet will be updating the TLS and cipher suites to support only the following:  The following cipher suites will...

11th September 2025 – Planned System Maintenance

Date announced: August 27, 2025 7:45 am

Status: Planned

On Thursday 11th September from 03:00 – 08:00 UTC+1 (BST) essential maintenance will be taking place. (Please note this notice replaces the maintenance that was previously planned for 27th August 2025 and the maintenance window has been extended.) All registry systems including OT&E and Testbed will be unavailable during this time, please see the full...

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