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

View the data processing guide to learn more.