.io Domain

.io is assigned to the British Indian Ocean Territory.

The .io domain is administered by the Internet Computer Bureau, a domain name registry company based in the United Kingdom.

Google's ad targeting treats .io as a generic top-level domain (gTLD) because "users and webmasters frequently see more generic than country-targeted."

This text was written in the article .io on Wikipedia and is available under the GNU Free Documentation License. A List of the authors is available on Wikipedia.

Available Suffixes
  • Registrations on second level (e.g. domain.io): yes
Useful information
  • Cancellation period 40 days
  • Whois Server whois.nic.io
Contact Requirements
Available Types:
  • Owner has to be Person or Org
  • Admin has to be Person or Org
  • Tech has to be Person
  • Zone has to be Person

Before the transfer can be started, please unlock the domain for transfer by the old registrar. The transfer has to be initiated through our system. A valid Authorization Code has to be provided to initiate a transfer successfully. You may obtain the authorization code from the old registrar.


An Ownerchange is free of charge and can be performed easily in our system.

  • check: no
  • IP-Types: IPv4/IPv6
  • DNSSEC: yes
  • min. Nameserver: 2
  • max. Nameserver: 13

A Restore is not supported by the registry.

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