rdap.com

rdap.com

Who's behind a domain, IP address, or network?
Registration data, straight from the official registries.

Private by design — your search never leaves your browser

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New to RDAP? It's the official replacement for WHOIS — the decades-old way to look up who registered a domain or IP address. Registries are retiring WHOIS in favor of RDAP's cleaner, standardized data, and this tool speaks it directly from your browser. Learn more

RDAP (Registration Data Access Protocol) is the modern successor to WHOIS. Queries go straight from your browser to the authoritative RDAP server — no proxy in between. Servers are discovered via the IANA bootstrap registry (RFC 9224). New here? What is RDAP?