WHOIS Lookup
Lookup domain registration information using RDAP
About WHOIS / RDAP
RDAP (Registration Data Access Protocol) is the modern replacement for WHOIS.
- Uses JSON format (machine-readable)
- Standardized query protocol
- Supports internationalized domain names
- Better privacy controls
Related guides
WHOIS Lookup with RDAP — Registrar, Dates, and Nameservers
Use the DevTools backend RDAP pipeline for normalized domain registration data.
Domain WHOIS and RDAP: Inspecting Registrar and DNS Records
How domain registration records work, registrar data, nameservers, status flags (clientTransferProhibited), and the RDAP protocol.
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