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

View the data processing guide to learn more.