Free WHOIS Lookup
Check domain registration details, expiration date, registrar, and nameservers using modern RDAP. No signup required.
WHOIS vs RDAP
Traditional WHOIS is being replaced by RDAP (Registration Data Access Protocol) — a modern, structured JSON alternative. This tool uses RDAP for accurate, machine-readable domain registration data. Not all TLDs support RDAP yet, particularly some country-code TLDs.