WHOIS sunset

The end of the duty for gTLD (glossary)gTLD generic top-level domain A top-level domain not tied to a country, run under ICANN contracts. Full definition of gTLD registries (glossary)registry The central database and system of a top-level domain, or loosely the organization that runs it. Full definition of registry and registrars (glossary)registrar A company that registers domain names for customers with the registry. Full definition of registrar to offer WHOIS (glossary)WHOIS The legacy lookup service for domain registration data, now replaced by RDAP for gTLDs. Full definition of WHOIS, on 28 January 2025, except for .com, .name and .post. From that date RDAP (glossary)RDAP Registration Data Access Protocol The modern protocol for looking up domain registration data, replacing WHOIS. Full definition of RDAP is the official way to look up gTLD registration data (glossary)registration data The information kept about a domain and its owner. Full definition of registration data. Providers may still run WHOIS by choice, and ccTLDs (glossary)ccTLD country code top-level domain A top-level domain for a country or territory, usually two letters long. Full definition of ccTLD were not affected, so the old protocol has not disappeared.