Blacklist Monitor

Welcome to our Blacklist Performance Monitoring, tracking more than 40 blacklists.

Blacklists, also known as RBL, DNSBL or URIBL, help administrators to block messages from specific IP's which have a history of sending spam. They can be used by software like SpamAssassin to reject or flag unwanted messages. Most public blacklists have their own standards and criteria for listing spammers. Hence, results can vary greatly from one to the other.

Latest News

2025-10-21

Removed the no longer operational WPBL and CBLCN lists
» More news

Blacklists performance from 2026-07-06 till 2026-07-12

Below are weekly statistics of accuracy and failure rates for specific blacklists:

Name Type Accuracy Inaccuracy
COMPOSITE BLOCKING LIST DNSBL 55.86% 0%
DCC CHECK 84.99% 24.87%
DNSWL HIGH DNSWL 0.1% 0.09%
DNSWL LOW DNSWL 0.37% 0%
DNSWL MEDIUM DNSWL 1.79% 0%
DNSWL NONE DNSWL 0.39% 2.66%
DRONEBL DNSBL 19.36% 0%
GBUDB.COM TRUNCATE DNSBL 56.13% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 15.45% 0%
JMF-BLACK DNSBL 37.21% 0.06%
JMF-WHITE DNSWL 1.42% 0%
MAILSPIKE BL DNSBL 42.9% 0%
MAILSPIKE WL DNSWL 2.8% 0.27%
PSBL SURRIEL DNSBL 16.43% 0%
SPAM EATING MONKEY - BLACK DNSBL 10.83% 0%
SPAM EATING MONKEY - URI BLACK URIBL 42.18% 0.21%
SPAM EATING MONKEY - URI FRESH URIBL 0.09% 0.02%
SPAM EATING MONKEY - URI FRESH 10 URIBL 0.18% 0.02%
SPAM EATING MONKEY - URI FRESH 15 URIBL 1.78% 0.02%
SPAM EATING MONKEY - URI RED URIBL 42.18% 0.23%
SPAMCOP DNSBL 40.14% 0%
SPAMHAUS DBL URIBL 27.71% 0.06%
SPAMHAUS PBL DNSBL 25.22% 0%
SPAMHAUS SBL URIBL 0.18% 0.64%
SPAMHAUS XBL DNSBL 55.86% 0%
SPAMHAUS ZEN DNSBL 72.11% 0%
SPAMRATS ALL DNSBL 55.77% 0%
SPAMRATS DYNA DNSBL 17.14% 0%
SPAMRATS NOPTR DNSBL 22.91% 0%
SPAMRATS SPAM DNSBL 19.01% 0%
SURBL ABUSE URIBL 22.2% 0%
SURBL COMBINED URIBL 32.86% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 10.04% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 40.94% 0%
UCEPROTECT 2 DNSBL 41.47% 0%
UCEPROTECT 3 DNSBL 30.99% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 27.71% 1.3%

View the data processing guide to learn more.