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 2026-08-10 till 2026-08-16

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

Name Type Accuracy Inaccuracy
URIBL BLACKLIST URIBL 17.4% 0.37%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
UCEPROTECT 3 DNSBL 24.98% 0%
UCEPROTECT 2 DNSBL 49.11% 0%
UCEPROTECT 1 DNSBL 40.51% 0%
SWINOG URIBL URIBL 0% 0%
SWINOG DNSRBL DNSBL 0% 0%
SURBL PHISHING URIBL 13.1% 0%
SURBL MALWARE URIBL 0% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL COMBINED URIBL 27.22% 0%
SURBL ABUSE URIBL 22.08% 0%
SPAMRATS SPAM DNSBL 20.58% 0%
SPAMRATS NOPTR DNSBL 18.99% 0%
SPAMRATS DYNA DNSBL 18.99% 0%
SPAMRATS ALL DNSBL 54.63% 0%
SPAMHAUS ZEN DNSBL 62.02% 0%
SPAMHAUS XBL DNSBL 49.49% 0%
SPAMHAUS SBL URIBL 0.37% 1.43%
SPAMHAUS PBL DNSBL 20.77% 0%
SPAMHAUS DBL URIBL 21.61% 0.1%
SPAMCOP DNSBL 42.56% 0%
SPAM EATING MONKEY - URI RED URIBL 30.68% 0.07%
SPAM EATING MONKEY - URI FRESH 15 URIBL 2.99% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 2.99% 0%
SPAM EATING MONKEY - URI FRESH URIBL 2.43% 0%
SPAM EATING MONKEY - URI BLACK URIBL 28.34% 0.07%
SPAM EATING MONKEY - BLACK DNSBL 9.54% 0%
PSBL SURRIEL DNSBL 10.57% 0%
MAILSPIKE WL DNSWL 3.3% 1.4%
MAILSPIKE BL DNSBL 46.12% 0%
JMF-WHITE DNSWL 1.37% 0.09%
JMF-BLACK DNSBL 41.35% 0.1%
JIPPG DNSBL 12.44% 0%
IMP SPAMLIST DNSBL 0% 0%
GBUDB.COM TRUNCATE DNSBL 46.59% 0%
DRONEBL DNSBL 14.22% 0%
DNSWL NONE DNSWL 0.77% 2.43%
DNSWL MEDIUM DNSWL 2.64% 0%
DNSWL LOW DNSWL 0.57% 0.09%
DNSWL HIGH DNSWL 0.07% 0%
DCC CHECK 83.54% 21.25%
COMPOSITE BLOCKING LIST DNSBL 49.49% 0%

View the data processing guide to learn more.