.co.uk country-code top-level domain name (ccTLD) for United Kingdom

Top Level Domains (TLD)Iwebslog

The .Co.Uk country-code top-level domain name (ccTLD) is an extension that represents the United Kingdom.

For companies that conduct business in the United Kingdom and individuals wanting to reach the growing number of Internet users there, .uk domain names are a good investment. Registering a .uk domain name gives you regional recognition and an easy-to-manage Web presence. As of March 2012, it is the fourth most popular top-level domain worldwide (after .com, .de and .net), with over 10 million registrations.

The use of .uk rather than .gb (which is the UK’s ISO 3166 country code) is due to its pre-existing use in the (now obsolete) JANET Name Registration Scheme. .uk was made available in DNS to simplify the translation to and from these addresses. There were plans for eventual transition to .gb, but this never occurred; the use of .uk is now entrenched, and it is impossible to register a .gb domain.

New registrations directly under .uk are generally not permitted. Instead, registrations are made under a selection of second-level domains.

The information below applies to the following country-code second-level domain names (ccSLDs) that we offer at this time:

  • .co.uk — Intended for commercial entities
  • .me.uk — Intended for private individuals
  • .org.uk — Intended for non-profit organizations

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