ICANN Acronyms and Terms
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An organization through which individuals and entities (registrants) register domain names. During the registration process, a registrar verifies that the requested domain name meets registry requirements, and submits the name to the appropriate registry operator. Registrars are also responsible for collecting required information from registrants and making the information available through WHOIS. After registration, registrants can make updates to their domain name settings through their registrars.
A registrar that has entered into a Registrar Accreditation Agreement with ICANN is referred to as an ICANN-accredited registrar. A listing of ICANN-accredited registrars appears on the ICANN website.