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WHOIS / RDAP lookup

Look up domain registration data using RDAP. The modern, structured replacement for legacy WHOIS. Returns registrar, creation/expiry dates, name servers, status flags, and the abuse contact. Useful for incident response, brand-protection investigations, and confirming a domain isn't about to expire on you.

Queries the appropriate registry's RDAP server (per IANA's bootstrap registry). ccTLDs without RDAP (such as .sk, .de, .fr) fall back to a legacy WHOIS lookup over port 43.

Example result for example.com

Sample data. Run the check above to see yours.

Registered domain

Info

Registration data for example.com from RDAP.

Registrar Example Registrar, Inc.
Created 2009-03-14
Expires 2027-03-14
Name servers ns1.example.net, ns2.example.net

Why RDAP, not WHOIS

WHOIS (port 43) returns free-form text that varies per registrar. Impossible to parse reliably. RDAP (RFC 7480-7484) returns structured JSON with consistent field names: events.registration, entities[role=registrar], nameservers[].ldhName, etc. ICANN-mandated all gTLD registries to provide RDAP by 2019; most ccTLDs have followed. For the legacy ccTLDs that are still WHOIS-only (.sk, .de, .fr, and others), we fall back to a port-43 WHOIS query and show the raw text plus a best-effort parse, since those fields are not standardized.

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