WHOIS and RDAP Domain Lookup

Look up who registered a domain, which registrar holds it, its nameservers, and when it expires. This uses RDAP, the structured successor to legacy WHOIS.

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What this tool does

Inspect public domain registration data through RDAP.

How to use it

Enter a registered domain and review the returned registrar, status and event fields.

Worked example

A lookup of example.com returns whatever public registration fields the registry currently provides; missing registrant details may be redacted.

Limitations and checks

Registration data may be redacted, rate-limited or unavailable. An expiry event is not a guarantee of when a domain becomes available.

How your data is processed

The lookup sends the domain, IP or URL to a SimpleTaskTools API and the external service needed for the lookup. Results reflect that service’s network vantage point. Do not submit private URLs, credentials or tokens.

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