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 2025-07-14 till 2025-07-20

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

Name Type Accuracy Inaccuracy
WPBL DNSBL 0% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
SPAMHAUS SBL URIBL 0% 0%
CBLCN PLUS DNSBL 0% 0%
IMP SPAMLIST DNSBL 0% 0%
DNSWL LOW DNSWL 0.03% 0%
DNSWL HIGH DNSWL 0.06% 0%
SURBL CRACKED SITES URIBL 0.28% 0%
JMF-WHITE DNSWL 0.48% 0.21%
DNSWL NONE DNSWL 0.96% 2.2%
MAILSPIKE WL DNSWL 2.34% 1.42%
SPAM EATING MONKEY - URI BLACK URIBL 2.84% 0%
DRONEBL DNSBL 3.19% 0.08%
JIPPG DNSBL 3.83% 0%
SPAM EATING MONKEY - URI FRESH URIBL 4.9% 0%
SPAM EATING MONKEY - URI RED URIBL 5.32% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 6.17% 0%
SPAMRATS DYNA DNSBL 6.46% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 6.74% 0%
SURBL PHISHING URIBL 9.79% 0%
SPAMRATS NOPTR DNSBL 9.87% 0%
SPAM EATING MONKEY - BLACK DNSBL 11% 0%
COMPOSITE BLOCKING LIST DNSBL 17.39% 0%
SPAMHAUS XBL DNSBL 17.39% 0%
PSBL SURRIEL DNSBL 23.85% 0%
GBUDB.COM TRUNCATE DNSBL 33.22% 0%
UCEPROTECT 1 DNSBL 34.35% 0.03%
SPAMHAUS PBL DNSBL 34.78% 0%
URIBL BLACKLIST URIBL 37.12% 0.03%
JMF-BLACK DNSBL 40.31% 0.03%
UCEPROTECT 3 DNSBL 42.09% 0.37%
SPAMHAUS DBL URIBL 43.08% 0.03%
SURBL ABUSE URIBL 44.36% 0%
SPAMRATS SPAM DNSBL 47.05% 0%
SURBL COMBINED URIBL 51.1% 0%
SPAMCOP DNSBL 53.94% 0%
MAILSPIKE BL DNSBL 54.15% 0%
SPAMHAUS ZEN DNSBL 58.27% 0%
SPAMRATS ALL DNSBL 59.69% 0%
UCEPROTECT 2 DNSBL 67% 0.03%
DNSWL MEDIUM DNSWL 70.77% 0%
DCC CHECK 79.7% 4.68%

View the data processing guide to learn more.