Skip to main content
WorkspaceDomain & IP Registration (RDAP)
Workspaces1/10

Active workspace: Personal. Open tools and saved data belong to this workspace.

Domain & IP Registration (RDAP)

Look up registration records, registrars, events, statuses and nameservers using the structured WHOIS successor

RDAP replaces unstructured WHOIS responses with registry-defined JSON. Contact details may be absent or redacted, and registry coverage varies. A registration record does not verify current website ownership or availability.

IANA RDAP directory · RDAP response format

Standards, sources and review dates
  • RDAP service discovery · RFC 9224 / current IANA bootstrap directories · Reviewed

    Longest DNS-label suffix and IP-prefix matching, HTTPS registry endpoints and explicit missing-service errors. Domain/IP lookup records are retrieved at use time; registry privacy policies apply. Review interval: 180 days.

  • RDAP responses · RFC 9083 · June 2021 · Reviewed

    Domain/IP-network summaries, entities, events, statuses and nameservers. Optional/redacted fields are not treated as proof of ownership or mailbox availability. Review interval: 180 days.