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 2026-03-09 till 2026-03-15

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

Name Type Accuracy Inaccuracy
URIBL BLACKLIST URIBL 27.34% 0.18%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
UCEPROTECT 3 DNSBL 39.87% 0.12%
UCEPROTECT 2 DNSBL 53.29% 0.02%
UCEPROTECT 1 DNSBL 31.39% 0.02%
SWINOG URIBL URIBL 0% 0%
SWINOG DNSRBL DNSBL 0% 0%
SURBL PHISHING URIBL 18.1% 0%
SURBL MALWARE URIBL 0% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL COMBINED URIBL 54.43% 0%
SURBL ABUSE URIBL 50% 0%
SPAMRATS SPAM DNSBL 17.34% 0%
SPAMRATS NOPTR DNSBL 25.06% 0%
SPAMRATS DYNA DNSBL 6.2% 0%
SPAMRATS ALL DNSBL 47.09% 0%
SPAMHAUS ZEN DNSBL 55.32% 0%
SPAMHAUS XBL DNSBL 28.35% 0%
SPAMHAUS SBL URIBL 0.51% 0.02%
SPAMHAUS PBL DNSBL 35.7% 0%
SPAMHAUS DBL URIBL 39.24% 0.02%
SPAMCOP DNSBL 48.86% 0%
SPAM EATING MONKEY - URI RED URIBL 7.59% 0.02%
SPAM EATING MONKEY - URI FRESH 15 URIBL 4.3% 0.45%
SPAM EATING MONKEY - URI FRESH 10 URIBL 3.29% 0.45%
SPAM EATING MONKEY - URI FRESH URIBL 2.66% 0.45%
SPAM EATING MONKEY - URI BLACK URIBL 7.59% 0%
SPAM EATING MONKEY - BLACK DNSBL 16.84% 0%
PSBL SURRIEL DNSBL 25.95% 0%
MAILSPIKE WL DNSWL 3.07% 2.28%
MAILSPIKE BL DNSBL 47.85% 0%
JMF-WHITE DNSWL 0.79% 0.25%
JMF-BLACK DNSBL 36.33% 0.02%
JIPPG DNSBL 6.71% 0%
IMP SPAMLIST DNSBL 0% 0%
GBUDB.COM TRUNCATE DNSBL 56.46% 0%
DRONEBL DNSBL 16.46% 0.1%
DNSWL NONE DNSWL 1.22% 4.68%
DNSWL MEDIUM DNSWL 1.61% 0.13%
DNSWL LOW DNSWL 0.24% 0.13%
DNSWL HIGH DNSWL 0.02% 0%
DCC CHECK 77.47% 13.66%
COMPOSITE BLOCKING LIST DNSBL 28.35% 0%

View the data processing guide to learn more.