Focused tool
Reverse DNS
Look up PTR records for a public IP address.
Run Reverse DNS
View full JSON response
Examples
Use a validated example to fill the form and execute the exact input.
8.8.8.8
Usage and limits
Public network lookups use the canonical v1 JSON API with the existing input validation, timeout, response-size, rate, and SSRF controls. Local transformations remain in this browser.
API documentation: API reference. Canonical route: /api/v1/reverse-dns/.