Domain categories group domain extensions (TLDs) into customizable categories like Popular or Business in your Client Area. You can customize these categories on self-hosted WHMCS installations.
Additional domain fields (extended attributes) display when ordering specific domain extensions (TLDs) to capture all necessary data. You can add these on self-hosted WHMCS installations.
ICANN sets the policies that govern domain registrations. If you sell or manage domains, you must follow their requirements for registration, renewals, transfers, and changes to contact information.