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

View the data processing guide to learn more.