Welcome to GBUdb.com

GBUdb stands for Good, Bad, Ugly database. GBUdb is a real-time collaborative IP reputation system. This system is built into Message Sniffer where it can accurately learn about the kind of content that is sent by email sources on the Internet.

In support of efforts to combat spam and malware on the Internet, we will extract useful data products from GBUdb and our other Internet security research and make those products available here on this web site.

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Featured Data Set


"Truncate" is an rfc5782 compliant DNSBL.

You can access this DNSBL via the zone truncate.gbudb.net.

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News & Updates
  • 2018-01-30 Migrated www.gbudb.com to a new server.
  • 2015-06-15 Added capacity to the Truncate.GBUdb blacklist.
  • 2012-03-22 GBUdb Information Update.
  • 2012-03-13 Analysis Hardware Upgrades.
  • more. . .

Featured Product


Powerful Anti-Spam and Email Scanning Engine

Message Sniffer (SNF) is an intelligent anti-spam scanner that uses advanced pattern recognition and collaborative learning technologies to accurately identify spam, scams, viruses, and other email borne malware at your email server or gateway (before it gets to your inbox).