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IP Lookup

Reverse DNS Lookup

Find domain names associated with IP addresses. Verify PTR records and identify the hostnames behind any IP.

Reverse DNS Lookup
Enter an IP address to find its associated domain names
What is Reverse DNS?

Reverse DNS lookup is the process of determining the domain name associated with an IP address. It uses PTR (Pointer) records in the DNS system to map an IP address back to a domain name, which is the opposite of a regular DNS lookup.

Common Uses for Reverse DNS
Email

Many email servers use reverse DNS to verify sender identity and reduce spam.

Security

Network administrators use reverse DNS for troubleshooting and identifying suspicious connections.

Analytics

Web analytics tools use reverse DNS to identify organizations visiting your website.

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