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

View the data processing guide to learn more.