How to use WHOIS Domain Tools
- Give WHOIS Domain Tools a domain or IP to work with.
- Trigger WHOIS Domain Tools and it sends the RDAP lookup from your browser, not from this site.
- Review the result, which WHOIS Domain Tools fetches live from the public RDAP service.
About this tool
WHOIS Domain Tools is a static, browser-based client. WHOIS Domain Tools queries RDAP — the structured successor to WHOIS — live from your browser against the public RDAP service.
Where a registry withholds contact details, WHOIS Domain Tools 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
How do I use WHOIS Domain Tools?
WHOIS Domain Tools runs a live RDAP lookup from your browser and displays the registration details the registry publishes.
Is WHOIS Domain Tools free to use?
Yes — WHOIS Domain Tools is completely free, with no usage limits.
Does WHOIS Domain Tools query an external service?
Yes — WHOIS Domain Tools 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 Domain Tools get its registration data?
WHOIS Domain Tools calls the public RDAP service live from your browser — the modern, structured replacement for WHOIS; most registrant fields are redacted by registries.