The Free Data Query Service

Spamhaus Technology provides the public with free threat intelligence on behalf of The Spamhaus Project.  This enables small-scale users to safely filter their email at no cost.

With a global network of over 80 servers, this infrastructure serves billions of free queries every day.

Usage Terms

If you are a non-commercial entity or a small business with low query volumes, you may qualify for a Data Query Service account with no subscription costs.

The terms related to this service are the same as those for The Spamhaus Project’s Free Public Mirrors. See “Terms of Use”.

What blocklists are included?

Free access is provided to our IP and Domain DNS Blocklists (DNSBLs).

Purpose-built plug-ins available

For users of SpamAssassin and Rspamd,  purpose-built plug-ins are available on GitHub to maximize catch rates when using our Data Query Service:

How to apply

Simply complete the form below.

Please enter your details:

To start trial please log into your Customer Portal Account here.