WHOIS / RDAP Lookup — Look up the registration info for any domain or IP via RDAP (the modern, JSON-based successor to WHOIS). Get the registrar, status, dates, nameservers, and contact roles — all from a free public registry.
Lookups go to the public RDAP registry. Your query is sent to the registry, not to Uttir.
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What is WHOIS / RDAP Lookup?
Look up the registration info for any domain or IP via RDAP (the modern, JSON-based successor to WHOIS). Get the registrar, status, dates, nameservers, and contact roles — all from a free public registry.
No login, no API key, no rate-limit trap — just the standard RDAP protocol that the registries themselves serve.
How to use it
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Type a domain or IP
Examples: example.com, github.io, 8.8.8.8, 2001:4860:4860::8888.
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Read the registration record
Status, key dates (registered / updated / expires), nameservers, and contact roles (registrar / registrant / admin / abuse) are all displayed.
Frequently asked questions
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Last reviewed: 2026-10-02