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 2025-12-08 till 2025-12-14

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

Name Type Accuracy Inaccuracy
COMPOSITE BLOCKING LIST DNSBL 38.83% 0%
DCC CHECK 78.14% 3.23%
DNSWL HIGH DNSWL 0% 0%
DNSWL LOW DNSWL 0.27% 0.49%
DNSWL MEDIUM DNSWL 2.96% 0%
DNSWL NONE DNSWL 2.61% 6.23%
DRONEBL DNSBL 14.65% 0.22%
GBUDB.COM TRUNCATE DNSBL 54.46% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 12.33% 0%
JMF-BLACK DNSBL 38.1% 0%
JMF-WHITE DNSWL 1.02% 0.12%
MAILSPIKE BL DNSBL 47.13% 0%
MAILSPIKE WL DNSWL 5.35% 3.3%
PSBL SURRIEL DNSBL 25.15% 0%
SPAM EATING MONKEY - BLACK DNSBL 18.19% 0%
SPAM EATING MONKEY - URI BLACK URIBL 6.47% 0.04%
SPAM EATING MONKEY - URI FRESH URIBL 1.95% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 2.81% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 4.15% 0%
SPAM EATING MONKEY - URI RED URIBL 7.57% 0.04%
SPAMCOP DNSBL 46.89% 0%
SPAMHAUS DBL URIBL 36.39% 0.18%
SPAMHAUS PBL DNSBL 37.24% 0%
SPAMHAUS SBL URIBL 0.49% 0%
SPAMHAUS XBL DNSBL 38.83% 0%
SPAMHAUS ZEN DNSBL 55.19% 0%
SPAMRATS ALL DNSBL 51.4% 0%
SPAMRATS DYNA DNSBL 11.6% 0%
SPAMRATS NOPTR DNSBL 23.2% 0%
SPAMRATS SPAM DNSBL 19.54% 0%
SURBL ABUSE URIBL 42.74% 0%
SURBL COMBINED URIBL 50.67% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 17.95% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 42.61% 0%
UCEPROTECT 2 DNSBL 58.24% 0%
UCEPROTECT 3 DNSBL 44.69% 38.43%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 26.74% 0.04%

View the data processing guide to learn more.