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

View the data processing guide to learn more.