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 2025-11-24 till 2025-11-30

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

Name Type Accuracy Inaccuracy
COMPOSITE BLOCKING LIST DNSBL 25.86% 0%
SPAM EATING MONKEY - BLACK DNSBL 12.07% 0%
JIPPG DNSBL 1.72% 0%
SPAMHAUS PBL DNSBL 32.76% 0%
SURBL COMBINED URIBL 44.83% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 0% 0%
IMP SPAMLIST DNSBL 0% 0%
JMF-BLACK DNSBL 34.48% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 0% 0%
DNSWL HIGH DNSWL 0% 0%
DNSWL MEDIUM DNSWL 20% 0%
MAILSPIKE BL DNSBL 44.83% 0%
DRONEBL DNSBL 5.17% 0%
SPAMRATS ALL DNSBL 36.21% 0%
SPAM EATING MONKEY - URI FRESH URIBL 0% 0%
SPAMHAUS DBL URIBL 43.1% 0%
SPAMHAUS ZEN DNSBL 44.83% 0%
SPAMHAUS XBL DNSBL 25.86% 0%
JMF-WHITE DNSWL 0% 0%
SPAMRATS SPAM DNSBL 17.24% 0%
GBUDB.COM TRUNCATE DNSBL 44.83% 0%
SURBL ABUSE URIBL 44.83% 0%
SURBL CRACKED SITES URIBL 0% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
SPAMRATS NOPTR DNSBL 18.97% 0%
SPAMRATS DYNA DNSBL 1.72% 0%
PSBL SURRIEL DNSBL 29.31% 0%
SPAMCOP DNSBL 41.38% 0%
SPAMHAUS SBL URIBL 0% 0%
SURBL PHISHING URIBL 17.24% 0%
SURBL MALWARE URIBL 0% 0%
SWINOG DNSRBL DNSBL 0% 0%
URIBL BLACKLIST URIBL 36.21% 0%
UCEPROTECT 2 DNSBL 58.62% 0%
UCEPROTECT 1 DNSBL 29.31% 0%
SWINOG URIBL URIBL 0% 0%
SPAM EATING MONKEY - URI RED URIBL 1.72% 0.33%
SPAM EATING MONKEY - URI BLACK URIBL 1.72% 0.33%
UCEPROTECT 3 DNSBL 51.72% 0.33%
MAILSPIKE WL DNSWL 1.33% 1.72%
DNSWL LOW DNSWL 0% 1.72%
DNSWL NONE DNSWL 1% 5.17%
DCC CHECK 72.41% 15.67%

View the data processing guide to learn more.