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

View the data processing guide to learn more.