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

View the data processing guide to learn more.