Reverse DNS Lookup API

PTR (reverse DNS) names for a public IPv4 or IPv6 address, with a forward-confirmed (FCrDNS) check.

POST /api/v1/tools/reverse-dns-lookupMCP reverse_dns_lookupNetwork ToolsRandom outputLive network check

Find the host name behind an IPv4 or IPv6 address from its PTR record, and check that the name points back to the same address (forward-confirmed reverse DNS).

Input

Send these as a JSON object. Unknown fields are rejected.

ip: A public IPv4 or IPv6 address, such as 8.8.8.8. (string, up to 100 characters, required)

Try it in the browser JSON Schema Get an API key

curl https://pithlab.com/api/v1/tools/reverse-dns-lookup \n  -H "Authorization: Bearer $PITHLAB_KEY" \n  -H "Content-Type: application/json" \n  -d '{"ip":"8.8.8.8"}'