Registration Data Access Protocol (RDAP) 2015-03-23 2022-04-04 If you wish to add an RDAP server for a top-level domain to this list, please contact the affected TLD's administrators, who can lodge a request in the automated Root Zone Management System. Contact information for TLD managers is available in the IANA Root Zone Database at . https://data.iana.org/rdap/dns.json