Understanding Spamhaus Data

The first thing one should do in order to put Spamhaus data into proper use is understanding the terminology used, the datasets available and what they are intended to do.

  • IP-based primary data sets (ZEN) are SBL, XBL, PBL, but then it also includes CCS and DROP

  • Domain data sets are DBL and ZRD

  • Other data sets for specific uses include DROP and AuthBL

…so yes, it’s a lot of acronyms, and we know it can be rather confusing for people approaching our data for the first time.

The following is a quick introduction to these items, from the terms used down to how to use the data in a real-world scenario.