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IP Lookup

Look up reverse DNS (PTR) for an IPv4 or IPv6 address. One hostname snapshot — not GeoIP, threat intel or ownership proof.

We query public reverse DNS (PTR) for the IP you enter. Results reflect resolver answers at lookup time — not location data.

FAQ

IP lookup questions

Does this show the server location?

No. This tool returns reverse DNS / PTR hostname data. Geography needs a separate GeoIP or IP intelligence service.

Does this use OpenAI?

No. Lookups use standard reverse DNS queries only. There is no AI step and nothing is sent to OpenAI for this tool.

Why is there no hostname?

Many IPs have no PTR record, or the zone is incomplete. Empty hostname usually means not published — not that the IP is invalid.

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