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Nominet is  the official registry for all .UK domain names. As part of our service we maintain a directory called ‘WHOIS’ – an official listing of the full details of all .UK domain names. The WHOIS lookup tool searches our directory and returns information about the domain name searched for. The WHOIS lookup tool will return domain information for .uk,,,,,,, .cymru and .wales

Responses from WHOIS

Our WHOIS tool will tell you whether a domain is registered and if it is, provide details of the registration. We work hard to ensure the data we hold is correct and up to-date through our ongoing programme of data validation.

Opt out

It is possible under some circumstance to opt-out of your address being published in the WHOIS directory. Learn about our criteria and how to opt out.


If you have a  complaint about our WHOIS data please visit our complaints page

WHOIS polices and rules