DNS Lookup

Look up information about a domain name, or check reverse DNS for an IP address.

You are using the tools as a guest: up to 20 runs per hour, and the port scanner only scans your own IP address. A free account gives you full access.

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Domain Lookup

Reverse DNS Lookup

Check whether an IP address has a PTR record (reverse DNS) registered.

WHOIS

Find out who a domain name or a public IP address is registered to (registry data via RDAP).