Webmaster Tools

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DNS Detective

A collection of tools for inspecting and diagnosing technical setups.

DNS Lookup

Perform DNS querys akin to using the command line `dig` utility

DNS Lookup ›

IP Address Lookup

Find geographical and network information about a given IP address

IP Address Lookup ›

DNS Blacklist Check

Check an IP address against many common DNSBL/RBLs

DNS Blacklist Check ›

Reverse DNS Check

Check the reverse DNS configuration of an IP address

Reverse DNS Check ›

SPF Record Check

Check and validate your mail domain's SPF record

SPF Record Check ›