Barracuda Reputation Block List (BRBL)

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Starting in September 2008, Barracuda Networks introduced the Barracuda Reputation Block List (BRBL . pronounced "bahr-bel") as a free DNSBL of IP addresses known to send spam. Barracuda Networks fights spam and created the BRBL to help stop the spread of spam.

The BRBL is open to public and can be used within reason.

Barracuda Central is the 24/7 security center operated by Barracuda Networks to monitor and block the latest Internet threats. Data collected at Barracuda Central is analyzed and used to create definitions for automatic Energize Updates that fuel the Barracuda Networks products. is dedicated to providing technical insight for security professionals. By sharing data, aims to build a strong community to collectively fight the latest Internet threats.

We monitor this blacklist since 2015-01-01. More information: