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WHOIS Lookup

Look up registrar, registration and expiry details for a domain.

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About WHOIS Lookup

WHOIS Lookup queries a domain's registration data through RDAP, the modern structured replacement for the original WHOIS protocol, and returns the registrar, registration and expiry dates, current nameservers and status codes in one place.

People reach for this to confirm exactly when a domain they own is due to expire, to check whether a domain someone else holds is genuinely available before trying to acquire it, or to rule out an expired registration as the reason a site has suddenly stopped resolving.

Many registrars redact personal registrant details by policy today, which this tool reports honestly rather than treating as a failure. What remains reliably visible, the registrar, the dates and the nameservers, is usually exactly what you came here to check.

Tutorials

How DNS Records WorkWhat actually happens between typing a domain and a page loading, and what each record type in a DNS Lookup result is telling you.7 min readPointing a Domain to a New Host Without Breaking AnythingA practical order of operations for moving a domain to a new server or provider, including the mistakes that cause avoidable downtime.6 min readDiagnosing DNS Problems When a Site Will Not ResolveA checklist for working through domain resolution failures in a sensible order, from a straightforward typo to an expired registration.6 min readWHOIS and RDAP Explained: What Domain Registration Data Is PublicWhat a domain lookup actually reveals about who registered it, why so much of that detail is redacted today, and RDAP's role as the modern replacement for WHOIS.5 min read

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