Network tool

Perform a reverse DNS

A PTR query looks for the hostname that is possibly associated with an IP address.

The value is sent as a POST and is not added to the URL of the page.

Optional Result

The absence of PTR is common and does not mean that an address does not work.

Caution

The name returned is informative and does not constitute proof of identity.

Diagnosis

Reverse DNS is useful for analyzing a server, an email configuration or a technical name provided by an operator.

To be explored next

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Tool and documentation verified on July 15, 2026.