Use IP to Hostname / PTR
Query DNS records through a resolver you choose. Enter a hostname or IP, choose the record type and receiving resolver, then click Lookup.
Behavior and limits
Query DNS records through a resolver you choose. Queries start only when you click Lookup; the domain or IP is sent to the displayed DNS-over-HTTPS service. Results reflect the resolver’s view and cache, not your local network. PTR queries accept IPv4 or IPv6 addresses.
Example input
8.8.8.8Expected behavior for the example
A JSON report includes the resolver, actual DNS question, response status, records and TTLs.
Check important output in the application that will consume it. Use the tool directory to find related formats and tasks.
Frequently asked questions
How does IP to Hostname / PTR handle my input?
Query DNS records through a resolver you choose. Queries start only when you click Lookup; the domain or IP is sent to the displayed DNS-over-HTTPS service. Results reflect the resolver’s view and cache, not your local network. PTR queries accept IPv4 or IPv6 addresses.
Is my input uploaded or saved automatically?
This tool sends input only to the receiving service shown in the tool, and only after you choose to run it. Inputs and results are not saved automatically. Other local tools do not use this service.