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 2025-04-21 till 2025-04-27

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

Name Type Accuracy Inaccuracy
COMPOSITE BLOCKING LIST DNSBL 22.42% 0%
SPAM EATING MONKEY - BLACK DNSBL 9.39% 0%
JIPPG DNSBL 5.16% 0%
SPAMHAUS PBL DNSBL 29.81% 0%
SURBL COMBINED URIBL 47.65% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 4.46% 0%
IMP SPAMLIST DNSBL 0% 0%
JMF-BLACK DNSBL 23.71% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 4.58% 0%
DNSWL HIGH DNSWL 0.16% 0%
DNSWL MEDIUM DNSWL 64.06% 0%
MAILSPIKE BL DNSBL 27.11% 0%
CBLCN PLUS DNSBL 0% 0%
DRONEBL DNSBL 1.64% 0%
SPAMRATS ALL DNSBL 51.76% 0%
SPAM EATING MONKEY - URI FRESH URIBL 4.23% 0%
SPAMHAUS DBL URIBL 36.15% 0%
DNSWL LOW DNSWL 0.11% 0%
SPAMHAUS ZEN DNSBL 44.25% 0%
SPAMHAUS XBL DNSBL 22.42% 0%
SPAMRATS SPAM DNSBL 26.53% 0%
GBUDB.COM TRUNCATE DNSBL 40.49% 0%
SURBL ABUSE URIBL 37.68% 0%
SURBL CRACKED SITES URIBL 0% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
SPAMRATS NOPTR DNSBL 13.73% 0%
SPAMRATS DYNA DNSBL 13.15% 0%
PSBL SURRIEL DNSBL 21.95% 0%
SPAMCOP DNSBL 25.82% 0%
SPAMHAUS SBL URIBL 0% 0%
SURBL PHISHING URIBL 24.53% 0%
SURBL MALWARE URIBL 0% 0%
UCEPROTECT 3 DNSBL 34.98% 0%
SWINOG DNSRBL DNSBL 0% 0%
SPAM EATING MONKEY - URI RED URIBL 6.92% 0%
SPAM EATING MONKEY - URI BLACK URIBL 3.64% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 29.81% 0%
WPBL DNSBL 0% 0%
UCEPROTECT 2 DNSBL 42.72% 0.03%
URIBL BLACKLIST URIBL 35.09% 0.11%
JMF-WHITE DNSWL 0.05% 0.35%
MAILSPIKE WL DNSWL 0.45% 2%
DNSWL NONE DNSWL 0.63% 2.93%
DCC CHECK 65.49% 6.87%

View the data processing guide to learn more.