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

View the data processing guide to learn more.