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

View the data processing guide to learn more.