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Using WHOIS

On 17 May 2018 the ICANN Board adopted a Temporary Specification for gTLD Registration Data. This page is under review and will be updated to address the Temporary Specification.


In addition to the WHOIS services offered by registrars and registries, ICANN organization provides a free and publicly available WHOIS look-up tool that can be used to find WHOIS data for any gTLD domain names. The tool searches the databases of registries and registrars and displays the WHOIS data searched, including domain name registrant contact information. The following topics detail how to make use of this WHOIS look-up tool:

Basics of WHOIS

As many consumers use search engines to find information on the Internet, they may not be aware of the term "WHOIS" to use in a search engine. Even when "WHOIS" is applied to a search engine, all sorts of responses appear. Learn more about the Basics of WHOIS.

Performing WHOIS Lookups

ICANN organization has committed to making WHOIS look-ups as easy as possible. To perform a search, users only need to go to http://whois.icann.org, enter a domain name, and click "Lookup."

Interpreting WHOIS Results

The raw WHOIS data is organized by contact data (domain name registrant contact, administrative contact, technical contact, and abuse contact) and also contains information such as the registrar, status of the domain name, and important dates.

Last Updated: July 2017