Free RDAP Lookup

Look up any domain, IP address or ASN. Get normalized JSON instantly, powered by the same API as our paid plans.

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Any domain

Registrar, dates, nameservers, DNSSEC and status codes across 1,200+ TLDs.

Any IP

IPv4 and IPv6 networks, CIDR ranges, country and abuse contacts from the five RIRs.

Any ASN

Autonomous system names, number ranges and the organization behind a route.

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