Reverse DNS Lookup
Find the host name behind an IPv4 or IPv6 address with a PTR lookup via its in-addr.arpa or ip6.arpa name.
Contacts an external serviceIP address → Host name
The domain or IP you enter is sent to Cloudflare's public DNS-over-HTTPS resolver (cloudflare-dns.com) to perform the lookup. Nothing is sent to our servers.
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How to use the Reverse DNS Lookup
- Paste or type your IP address into the input area.
- Adjust the options above the editor if the tool offers any.
- Review the Host name result, then copy it or download it as a file.
Privacy and limitations
- This tool sends the value you enter to a server to perform the lookup. Do not enter confidential data.
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