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Domain Extension Guide

.AC.UK Domain Registration & WHOIS

Analyze registry operators, character limits, IDN support status, and specific registration guidelines for .AC.UK domains.

Extension Metadata

Min 2 Chr
Max 63 Chr
IDN NO
Category: country
Operator: Nominet / JISC

Registration Eligibility

This extension is open to any individual or business globally without strict regulatory constraint policies.

Recently Queried Domains

sandbox.ac.uk Query portfolio.ac.uk Query

Overview & Registration Guidelines

The .AC.UK domain extension is Restricted United Kingdom second-level domain reserved exclusively for academic and research institutions. Jointly managed by Nominet and JISC (Joint Information Systems Committee). Only universities, further education colleges, and research organizations authorized by JISC may register. Serves as the authoritative namespace for UK higher education, hosting institutions like Oxford, Cambridge, and Imperial College. Recognized globally as a marker of academic credibility. It requires a minimum label length of 2 characters and supports up to 63 characters. It does not support IDN characters, meaning only standard English characters are allowed. Registration is completely open and unrestricted globally to individuals and organizations.

To search for who owns a specific domain registered under this extension, you can perform a live query in our WHOIS portal above. The registry operator database will respond in real time with server details, domain status codes, registration/expiry dates, and name server arrays.

Frequently Asked Questions