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 2026-10-26 till 2026-11-01

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

Name Type Accuracy Inaccuracy
SPAM EATING MONKEY - BLACK DNSBL 13.08% 0%
JIPPG DNSBL 10.1% 0%
COMPOSITE BLOCKING LIST DNSBL 36.12% 0%
SURBL COMBINED URIBL 41.42% 0%
SPAMRATS SPAM DNSBL 14.39% 0%
IMP SPAMLIST DNSBL 0% 0%
SPAMHAUS PBL DNSBL 28.27% 0%
DNSWL HIGH DNSWL 0.09% 0%
DRONEBL DNSBL 12.86% 0%
SPAMRATS ALL DNSBL 49.35% 0%
SPAMHAUS XBL DNSBL 35.97% 0%
SPAMHAUS ZEN DNSBL 54.43% 0%
DNSWL MEDIUM DNSWL 79.02% 0%
DNSWL LOW DNSWL 0.47% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
GBUDB.COM TRUNCATE DNSBL 58.5% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 24.71% 0%
SWINOG DNSRBL DNSBL 0% 0%
SURBL ABUSE URIBL 36.05% 0%
SPAMRATS NOPTR DNSBL 17.95% 0%
PSBL SURRIEL DNSBL 6.54% 0%
SPAMCOP DNSBL 27.03% 0%
SPAMRATS DYNA DNSBL 19.48% 0%
SWINOG URIBL URIBL 0% 0%
SURBL CRACKED SITES URIBL 0% 0%
UCEPROTECT 1 DNSBL 40.77% 0%
UCEPROTECT 2 DNSBL 58.5% 0.02%
SPAM EATING MONKEY - URI FRESH URIBL 3.92% 0.02%
URIBL BLACKLIST URIBL 33.43% 0.02%
SPAM EATING MONKEY - URI FRESH 15 URIBL 5.09% 0.02%
SPAM EATING MONKEY - URI BLACK URIBL 22.67% 0.02%
SPAM EATING MONKEY - URI FRESH 10 URIBL 4.72% 0.02%
SPAM EATING MONKEY - URI RED URIBL 22.82% 0.04%
UCEPROTECT 3 DNSBL 41.28% 0.04%
SPAMHAUS DBL URIBL 43.53% 0.06%
MAILSPIKE BL DNSBL 40.77% 0.06%
JMF-BLACK DNSBL 31.54% 0.11%
JMF-WHITE DNSWL 1.14% 0.15%
MAILSPIKE WL DNSWL 2.51% 0.58%
SPAMHAUS SBL URIBL 0.29% 1.57%
DNSWL NONE DNSWL 0.34% 2.25%
DCC CHECK 72.67% 22.82%

View the data processing guide to learn more.