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 2025-08-11 till 2025-08-17

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 19.02% 0%
DCC CHECK 64.74% 4.7%
DNSWL HIGH DNSWL 0.08% 0%
DNSWL LOW DNSWL 0.03% 0%
DNSWL MEDIUM DNSWL 48.27% 0%
DNSWL NONE DNSWL 20.14% 2.78%
DRONEBL DNSBL 4.59% 0.03%
GBUDB.COM TRUNCATE DNSBL 51.92% 0.03%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 2.35% 0%
JMF-BLACK DNSBL 33.76% 0%
JMF-WHITE DNSWL 0.22% 0.53%
MAILSPIKE BL DNSBL 51.71% 0%
MAILSPIKE WL DNSWL 1.77% 2.67%
PSBL SURRIEL DNSBL 29.59% 0.11%
SPAM EATING MONKEY - BLACK DNSBL 18.38% 0%
SPAM EATING MONKEY - URI BLACK URIBL 0.96% 0%
SPAM EATING MONKEY - URI FRESH URIBL 3.53% 0.03%
SPAM EATING MONKEY - URI FRESH 10 URIBL 3.85% 0.03%
SPAM EATING MONKEY - URI FRESH 15 URIBL 4.49% 0.03%
SPAM EATING MONKEY - URI RED URIBL 2.78% 0%
SPAMCOP DNSBL 48.5% 0.03%
SPAMHAUS DBL URIBL 44.76% 0%
SPAMHAUS PBL DNSBL 34.08% 0%
SPAMHAUS SBL URIBL 0.43% 0%
SPAMHAUS XBL DNSBL 19.02% 0%
SPAMHAUS ZEN DNSBL 45.94% 0%
SPAMRATS ALL DNSBL 46.69% 0%
SPAMRATS DYNA DNSBL 10.68% 0%
SPAMRATS NOPTR DNSBL 15.81% 0%
SPAMRATS SPAM DNSBL 21.15% 0%
SURBL ABUSE URIBL 55.56% 0.03%
SURBL COMBINED URIBL 63.35% 0.03%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 23.29% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 31.94% 0%
UCEPROTECT 2 DNSBL 52.03% 0%
UCEPROTECT 3 DNSBL 33.12% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 37.82% 0%
WPBL DNSBL 0% 0%

View the data processing guide to learn more.