# What is a WHOIS lookup?

Whenever a domain name is registered, the ICANN requires registrants to provide up-to-date contact information to their domain registrars. A WHOIS lookup allows you to trace the ownership and registration details of a domain name or an IP address.

# How do I use this WHOIS lookup tool?

To use this WHOIS lookup tool, simply enter a valid domain name (IDNs are not supported at this time) into the search field above. You can also enter an IPv4 or IPv6 address to get detailed information about the IP address as well, including GeoLite2 data created by MaxMind.

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Privacy & Terms

This tool collects your IP address solely to prevent abuse but does not store, share, or sell it. This tool is free to use, but please limit your requests to 5 per minute and do not use automated requests. Excessive requests may result in a 429 error or be dropped. By using this tool, you agree to these terms.