Evolution of Whois Protocol to RDAP (2019)
(icann.org)
The Registration Data Access Protocol, known as RDAP, was created by the technical community in the Internet Engineering Task Force (IETF) as an eventual replacement for the WHOIS protocol.
The Registration Data Access Protocol, known as RDAP, was created by the technical community in the Internet Engineering Task Force (IETF) as an eventual replacement for the WHOIS protocol.