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 2026-02-09 till 2026-02-15

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

Name Type Accuracy Inaccuracy
COMPOSITE BLOCKING LIST DNSBL 36.7% 0%
DCC CHECK 77.59% 3.14%
DNSWL HIGH DNSWL 0.18% 0%
DNSWL LOW DNSWL 0.7% 0%
DNSWL MEDIUM DNSWL 1.51% 0%
DNSWL NONE DNSWL 1.26% 4.72%
DRONEBL DNSBL 11.53% 0.04%
GBUDB.COM TRUNCATE DNSBL 49.41% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 5.9% 0%
JMF-BLACK DNSBL 36.04% 0.04%
JMF-WHITE DNSWL 0.48% 0%
MAILSPIKE BL DNSBL 50.07% 0%
MAILSPIKE WL DNSWL 2.66% 2.62%
PSBL SURRIEL DNSBL 26.08% 0%
SPAM EATING MONKEY - BLACK DNSBL 11.4% 0%
SPAM EATING MONKEY - URI BLACK URIBL 4.59% 0%
SPAM EATING MONKEY - URI FRESH URIBL 1.44% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 3.41% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 3.41% 0%
SPAM EATING MONKEY - URI RED URIBL 5.37% 0%
SPAMCOP DNSBL 45.74% 0%
SPAMHAUS DBL URIBL 26.21% 0%
SPAMHAUS PBL DNSBL 41.15% 0%
SPAMHAUS SBL URIBL 0.26% 0%
SPAMHAUS XBL DNSBL 36.7% 0%
SPAMHAUS ZEN DNSBL 58.32% 0%
SPAMRATS ALL DNSBL 48.49% 0%
SPAMRATS DYNA DNSBL 7.73% 0%
SPAMRATS NOPTR DNSBL 25.56% 0%
SPAMRATS SPAM DNSBL 16.78% 0%
SURBL ABUSE URIBL 44.69% 0%
SURBL COMBINED URIBL 49.41% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 21.49% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 16.91% 0%
UCEPROTECT 2 DNSBL 50.59% 0%
UCEPROTECT 3 DNSBL 43.91% 0.07%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 31.32% 0%

View the data processing guide to learn more.