Registering Domain Names - ICANN www.icann.org/resources/pages/register-domain-name-2017-06-20-enPrivate View Registering DomainNames. Domainnames under generic Top-Level DomainNames (gTLDs) may be registered with one of more than two thousand ICANN-accredited registrars, or their resellers. Registrars are accredited by ICANN organization and certified by the registries to sell domainnames. They are bound by the Registrar Accreditation Agreement ...