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

View the data processing guide to learn more.