WHOIS Lookup

Enter a domain name to look up its registration and ownership information via RDAP.

Domain Info

Events / Dates

Nameservers

Entities

About WHOIS / RDAP

This tool uses RDAP (Registration Data Access Protocol), the modern HTTP-based successor to the legacy WHOIS protocol. RDAP queries are routed to the correct registry server automatically via IANA bootstrap data.

  • RDAP returns structured, machine-readable data
  • Information includes registrar, status codes, nameservers, and key dates
  • Some registries redact contact info for privacy (GDPR)

Most of what a WHOIS record once revealed about a private registrant is now hidden behind a privacy service, which is a consequence of data protection law rather than a fault in the lookup. What remains is still useful: the registrar, the dates, the status codes and the name servers. Those four tell you whether a domain is about to expire, whether it is locked against transfer, and whether it is pointed where you think it is.

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Frequently Asked Questions

Why is the owner hidden?
Because privacy services replace the registrant's details by default for most domains, and data protection law requires it for individuals in many jurisdictions. The registrar remains visible, and that is who you contact about a dispute.
What do the status codes mean?
They describe what the domain can and cannot have done to it. clientTransferProhibited is the normal locked state and is a good thing. Anything beginning with pendingDelete or redemptionPeriod means the domain has expired and is on its way out.
How do I find when a domain expires?
The expiry date is in the record, but it is the registrar's date rather than a guarantee. Domains usually keep resolving for a grace period afterwards, then enter redemption, where recovering them costs considerably more than renewing on time.
Can I see who owned a domain before?
Not from a live lookup. WHOIS shows the current record only. Historical services exist and are paid, and they are the usual route when a domain matters to a trademark question.
Why does a lookup fail for some domains?
Not every registry answers over the same protocol, and some rate limit heavily. Newer top level domains often expose RDAP instead, which returns structured data rather than the free text WHOIS has always used.