The Spamhaus Project
IP and Domain Reputation Checker
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Do you have problems sending email? Do you need to check if an
IP address
or
domain name
is on one of our
blocklists
?

Relax, you’re in the right place. We’re here to help.

The Spamhaus Project is a non-profit organization dedicated to making the internet a better place for everyone.

Do you have problems sending email? Do you need to check if an
IP address
or
domain name
is on one of our
blocklists
?

Relax, you’re in the right place. We’re here to help.

Robot

The Spamhaus Project is a non-profit organization dedicated to making the internet a better place for everyone.