Possible deprecation of WHOIS services after January 28, 2025 for ICANN TLDs
(domaintools.com)
Registration Data Access Protocol - RDAP - is a replacement for WHOIS. WHOIS has been in use for over 40 years, and was never designed for the scale it is being used at today. While WHOIS is a text file, RDAP is machine readable JSON format. Internet management organizations like ICANN and IANA are driving adoption of RDAP as the successor to WHOIS.
Registration Data Access Protocol - RDAP - is a replacement for WHOIS. WHOIS has been in use for over 40 years, and was never designed for the scale it is being used at today. While WHOIS is a text file, RDAP is machine readable JSON format. Internet management organizations like ICANN and IANA are driving adoption of RDAP as the successor to WHOIS.