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Free tool

Who holds this domain, and until when?

The registry's own record over RDAP, the structured successor of WHOIS: registrar, dates, status, nameservers. Where a registry offers no RDAP yet (.lu, .be, .eu and .de among them), you get the DNS facts and a link to the registry's own lookup.

What this checks

RDAP, the WHOIS replacement

RDAP returns registration data as JSON over HTTPS instead of the free-text WHOIS. Registries publish their RDAP server in IANA's bootstrap file; this tool reads that file and asks the registry directly, never a third-party aggregator. What a registry shows varies: gTLDs give registrar, dates and status; some ccTLDs give less and several (.lu, .be, .eu, .de, .io) have no RDAP at all yet. Holder names and addresses are generally redacted since the GDPR.

Related tools

More in this set

  • DNS lookup Any record type of any name, with TTLs.
  • DNS propagation Has your change reached the public resolvers yet?
  • Nameserver check Do all nameservers answer, authoritatively, with the same serial?
  • DNSSEC check DS at the parent, DNSKEY in the zone, and whether they match.
  • Reverse DNS check PTR record of an address and whether it confirms forward.

All tools Glossary

Domains and DNS

Domains with DNS hosting included

Register or transfer .lu, .eu, .be, .com and more; the DNS editor, DNSSEC and the records these tools check are in the client area.

See domains