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 2025-10-20 till 2025-10-26

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

Name Type Accuracy Inaccuracy
COMPOSITE BLOCKING LIST DNSBL 37.2% 0%
DCC CHECK 69.78% 3.53%
DNSWL HIGH DNSWL 0.04% 0%
DNSWL LOW DNSWL 0.13% 0%
DNSWL MEDIUM DNSWL 39.32% 0%
DNSWL NONE DNSWL 1.13% 3.87%
DRONEBL DNSBL 12.04% 0.02%
GBUDB.COM TRUNCATE DNSBL 56.34% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 14.41% 0%
JMF-BLACK DNSBL 36.34% 0%
JMF-WHITE DNSWL 0.11% 0.54%
MAILSPIKE BL DNSBL 44.3% 0%
MAILSPIKE WL DNSWL 2.45% 3.01%
PSBL SURRIEL DNSBL 25.59% 0.04%
SPAM EATING MONKEY - BLACK DNSBL 15.91% 0%
SPAM EATING MONKEY - URI BLACK URIBL 2.9% 0%
SPAM EATING MONKEY - URI FRESH URIBL 2.37% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 3.01% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 3.12% 0%
SPAM EATING MONKEY - URI RED URIBL 4.19% 0%
SPAMCOP DNSBL 43.87% 0%
SPAMHAUS DBL URIBL 41.08% 0%
SPAMHAUS PBL DNSBL 29.35% 0%
SPAMHAUS SBL URIBL 0.32% 0%
SPAMHAUS XBL DNSBL 37.2% 0%
SPAMHAUS ZEN DNSBL 47.42% 0%
SPAMRATS ALL DNSBL 41.29% 0%
SPAMRATS DYNA DNSBL 9.46% 0%
SPAMRATS NOPTR DNSBL 16.13% 0%
SPAMRATS SPAM DNSBL 17.1% 0%
SURBL ABUSE URIBL 45.16% 0%
SURBL COMBINED URIBL 55.48% 0.02%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 27.85% 0.02%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 41.61% 0.04%
UCEPROTECT 2 DNSBL 51.08% 0.07%
UCEPROTECT 3 DNSBL 32.58% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 27.53% 0.09%

View the data processing guide to learn more.