ICANN Acronyms and Terms
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R
registrant
An individual or entity who registers a domain name. Upon registration of a domain name, a registrant enters into a contract with a registrar. The contract describes the terms under which the registrar agrees to register and maintain the requested name.
After registration, registrants manage their domain name settings through their registrar. To modify a setting, a registrant submits the changes to the registrar, and the registrar sends the change to the registry.