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

2025-02-27

We thank the Nixspam team for their service and have removed the defunct lists.
» More news

Blacklists performance from 2025-04-07 till 2025-04-13

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

Name Type Accuracy Inaccuracy
CBLCN PLUS DNSBL 0% 0%
COMPOSITE BLOCKING LIST DNSBL 15.86% 0%
DCC CHECK 71.33% 5.31%
DNSWL HIGH DNSWL 0.72% 0%
DNSWL LOW DNSWL 0.28% 0%
DNSWL MEDIUM DNSWL 74.28% 0.11%
DNSWL NONE DNSWL 0.95% 4.27%
DRONEBL DNSBL 3.5% 0%
GBUDB.COM TRUNCATE DNSBL 49.34% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 10.39% 0%
JMF-BLACK DNSBL 36.43% 0.08%
JMF-WHITE DNSWL 0.41% 0.22%
MAILSPIKE BL DNSBL 21.88% 0%
MAILSPIKE WL DNSWL 0.77% 0.44%
PSBL SURRIEL DNSBL 26.59% 0%
SPAM EATING MONKEY - BLACK DNSBL 10.18% 0%
SPAM EATING MONKEY - URI BLACK URIBL 1.97% 0%
SPAM EATING MONKEY - URI FRESH URIBL 4.27% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 4.38% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 4.49% 0%
SPAM EATING MONKEY - URI RED URIBL 2.84% 0%
SPAMCOP DNSBL 28.45% 0.05%
SPAMHAUS DBL URIBL 36.11% 0.05%
SPAMHAUS PBL DNSBL 23.09% 0%
SPAMHAUS SBL URIBL 0.22% 0%
SPAMHAUS XBL DNSBL 15.86% 0%
SPAMHAUS ZEN DNSBL 42.01% 0%
SPAMRATS ALL DNSBL 48.91% 0%
SPAMRATS DYNA DNSBL 11.93% 0%
SPAMRATS NOPTR DNSBL 14.77% 0%
SPAMRATS SPAM DNSBL 25.82% 0%
SURBL ABUSE URIBL 38.18% 0%
SURBL COMBINED URIBL 48.69% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 22.65% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 28.99% 0%
UCEPROTECT 2 DNSBL 48.25% 0.18%
UCEPROTECT 3 DNSBL 33.92% 0.03%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 29.87% 0.08%
WPBL DNSBL 0% 0%

View the data processing guide to learn more.