How to use WHOIS Lookup Tool
- Enter a domain or IP into WHOIS Lookup Tool.
- Press the button and WHOIS Lookup Tool sends the RDAP lookup from your browser.
- See the response from the public RDAP service; WHOIS Lookup Tool only displays what comes back.
About this tool
There is no server of ours behind WHOIS Lookup Tool. WHOIS Lookup Tool runs a real RDAP request and surfaces what the registry publishes for the domain.
Where a registry withholds contact details, WHOIS Lookup Tool reports that rather than guessing. The lookup is sent from your browser to the public RDAP service; this site has no backend and never receives it, and a network connection is required.
Frequently asked questions
What is WHOIS Lookup Tool for?
WHOIS Lookup Tool runs a live RDAP lookup from your browser and displays the registration details the registry publishes.
Is WHOIS Lookup Tool free to use?
Yes — WHOIS Lookup Tool is completely free, with no usage limits.
Does WHOIS Lookup Tool query an external service?
Yes — WHOIS Lookup Tool sends a live RDAP lookup from your browser to the public RDAP service. This site has no backend and never receives it, and the lookup needs a connection.
Where does WHOIS Lookup Tool get its registration data?
WHOIS Lookup Tool calls the public RDAP service live from your browser — the modern, structured replacement for WHOIS; most registrant fields are redacted by registries.