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

View the data processing guide to learn more.