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 2025-07-21 till 2025-07-27

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 16.22% 0%
DCC CHECK 80.82% 3.03%
DNSWL HIGH DNSWL 0.14% 0%
DNSWL LOW DNSWL 12.38% 0%
DNSWL MEDIUM DNSWL 65.65% 0%
DNSWL NONE DNSWL 0.82% 1.08%
DRONEBL DNSBL 1.79% 0.07%
GBUDB.COM TRUNCATE DNSBL 32.17% 0.03%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 1.61% 0%
JMF-BLACK DNSBL 28.23% 0%
JMF-WHITE DNSWL 1.73% 0.36%
MAILSPIKE BL DNSBL 60.48% 0%
MAILSPIKE WL DNSWL 3.98% 1.79%
PSBL SURRIEL DNSBL 24.28% 0%
SPAM EATING MONKEY - BLACK DNSBL 11.02% 0%
SPAM EATING MONKEY - URI BLACK URIBL 1.97% 0%
SPAM EATING MONKEY - URI FRESH URIBL 6.09% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 6.81% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 8.24% 0%
SPAM EATING MONKEY - URI RED URIBL 3.94% 0%
SPAMCOP DNSBL 56.18% 0%
SPAMHAUS DBL URIBL 45.61% 0.03%
SPAMHAUS PBL DNSBL 36.02% 0.03%
SPAMHAUS SBL URIBL 0.18% 0%
SPAMHAUS XBL DNSBL 16.22% 0%
SPAMHAUS ZEN DNSBL 64.7% 0.03%
SPAMRATS ALL DNSBL 63.26% 0%
SPAMRATS DYNA DNSBL 6.63% 0%
SPAMRATS NOPTR DNSBL 9.41% 0%
SPAMRATS SPAM DNSBL 49.19% 0%
SURBL ABUSE URIBL 51.43% 0%
SURBL COMBINED URIBL 56.45% 0%
SURBL CRACKED SITES URIBL 0.18% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 14.16% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 29.75% 0%
UCEPROTECT 2 DNSBL 66.94% 0%
UCEPROTECT 3 DNSBL 60.75% 0.03%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 43.55% 0.1%
WPBL DNSBL 0% 0%

View the data processing guide to learn more.