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Whois Lookup

Check WHOIS and RDAP information for a domain name or IP address. JSON-native RDAP first, with classic WHOIS fallback.

Parsed JSON summary will appear here.

Notes:
  • This tool prefers RDAP (JSON-native) and falls back to classic WHOIS if needed.
  • Returned fields vary by registry/TLD. Some records are redacted for privacy (e.g., GDPR).
  • IP lookups show allocation/assignment info (owner of the block), not end-user identity.
  • Internationalized domains are normalized to ASCII (Punycode) before lookup.
  • Requests are rate-limited to prevent abuse. Try again after a short while if you hit the limit.
  • Results are fetched live and not persisted by this tool.