General
- Extension
- .uk
- Type
- Country-code extension
- Meaning
- United Kingdom
- Registry
- Nominet UK
- Registry website
- www.nic.uk
- Registered since
- 24 July 1985
Properties
- DNSSEC signed
- yes
- Name servers
- 8 (8 with IPv6)
- WHOIS server
- -
- RDAP server
- rdap.nominet.uk/uk
- At 1blu
- on request via kissdomain
Registration conditions
- Who may register?
- Anyone: Nominet does not check who applies for .uk or how many names someone holds.
- Allocation
- In order of application (first come, first served).
- Length
- The full name including the extension has at most 64 characters.
- Characters
- a–z, 0–9 and hyphen, no hyphen at the beginning or end. No IDN names.
- New rules
- From 9 February 2027, Nominet's new UK Registration Policy applies.
- Transfer
- Currently by tag change: the current registrar moves the domain to the new registrar's tag; depending on its settings, the new registrar must confirm within 5 days. From 9 February 2027 with a transfer authorisation code: the current registrar issues it free of charge within 5 days, and it expires after 14 days.
The registry's current rules are binding: www.nic.uk.
Sources: Nominet: Rules of registration (20 March 2024) · Nominet: UK Registration Policy 2026-03 (from 9 February 2027) · Nominet: Registrar change · Nominet: UK Inter-Registrar Transfer Policy 2026-03 (from 9 February 2027) · IANA Root Zone Database: .uk · As of 25 October 2026