.io Domain Delegation
.io is a country code top-level domain (ccTLD) managed by IO Top Level Domain Registry. The URL for .io domain registration services is http://www.nic.io/, and the responsible WHOIS server is whois.nic.io.
A top-level domain (TLD) is an internet domain name extension that is operated by the Internet Assigned Numbers Authority (IANA). One type of TLDs are country code top-level domains (ccTLDs) which consist of 2 letters derived from ISO 3166-1 country codes, and are intended for a specific country, sovereign state or autonomous territory.
.io Authoritative Information
|Type||Country Code Top-Level Domain (ccTLD)|
|Sponsoring Organisation||IO Top Level Domain Registry|
Further information about the .io root zone can be found at IANA. Click here for a full list of top-level domains.