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

2017-07-17

Removed IX HASH SEM as this zone is out of operation.
» More news

Blacklists performance from 2018-04-16 till 2018-04-22

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

Name Type Accuracy Inaccuracy
JMF-WHITE DNSWL 82.7% 2.48%
DNSWL HIGH DNSWL 77.33% 1.84%
DCC CHECK 71.79% 4.67%
SORBS COMBINED DNSBL 49.6% 0.99%
UCEPROTECT 1 DNSBL 48.72% 0.01%
SPAMHAUS ZEN DNSBL 46.71% 0%
SORBS NEW AND RECENT SPAM DNSBL 45.99% 0.99%
JMF-BLACK DNSBL 45.83% 0%
PSBL SURRIEL DNSBL 43.75% 0%
INPS.DE DNSBL DNSBL 43.59% 0%
SPAMHAUS DBL URIBL 42.47% 0.1%
URIBL BLACKLIST URIBL 40.71% 0.06%
SPAMHAUS XBL DNSBL 39.1% 0%
COMPOSITE BLOCKING LIST DNSBL 39.02% 0%
SPAMCOP DNSBL 36.62% 0%
WPBL DNSBL 33.73% 0%
NIX SPAM DNSBL 33.65% 0%
UNSUBSCRIBE BLACKLIST DNSBL 29.33% 0.01%
SPAMHAUS PBL DNSBL 29.25% 0%
SURBL COMBINED URIBL 27.96% 0%
SURBL ABUSE URIBL 26.68% 0%
GBUDB.COM TRUNCATE DNSBL 25.96% 0%
UCEPROTECT 2 DNSBL 21.39% 0.01%
MAILSPIKE BL DNSBL 21.31% 0%
IX HASH CHECK 17.95% 0.01%
SPAM EATING MONKEY - BLACK DNSBL 17.95% 0%
SPAMRATS DYNA DNSBL 17.47% 0.11%
SPAMRATS NOPTR DNSBL 15.38% 0%
SPAMRATS SPAM DNSBL 13.06% 0%
SORBS WEB DNSBL 10.74% 0%
JIPPG DNSBL 8.57% 0%
SORBS DUL DNSBL 8.01% 0%
SPAM EATING MONKEY - URI RED URIBL 7.61% 0.01%
DNSWL MEDIUM DNSWL 7.32% 0.32%
CBLCN PLUS DNSBL 6.09% 0.62%
SPAM EATING MONKEY - URI BLACK URIBL 5.93% 0%
DRONEBL DNSBL 5.13% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 4.01% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 3.77% 0%
SPAM EATING MONKEY - URI FRESH URIBL 3.45% 0%
DNSWL NONE DNSWL 2.07% 5.53%
SPAMHAUS SBL URIBL 1.52% 0.01%
SWINOG DNSRBL DNSBL 1.52% 0%
SURBL CRACKED SITES URIBL 1.44% 0%
IMP SPAMLIST DNSBL 1.28% 0%
SURBL PHISHING URIBL 1.28% 0%
MAILSPIKE WL DNSWL 0.61% 1.68%
DNSWL LOW DNSWL 0.54% 0.32%
UCEPROTECT 3 DNSBL 0.32% 0.01%
SURBL MALWARE URIBL 0.24% 0%
SWINOG URIBL URIBL 0% 0%

View the data processing guide to learn more.