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

2018-10-08

Removed dnsbl.inps.de as the service is out of operation.
» More news

Blacklists performance from 2019-11-11 till 2019-11-17

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

Name Type Accuracy Inaccuracy
URIBL BLACKLIST URIBL 87.28% 0.13%
SPAMHAUS DBL URIBL 86.86% 0.04%
UCEPROTECT 1 DNSBL 82.4% 0.02%
SURBL ABUSE URIBL 81.27% 0.01%
SURBL COMBINED URIBL 81.27% 0.01%
SPAMHAUS ZEN DNSBL 79.75% 0%
COMPOSITE BLOCKING LIST DNSBL 78.46% 0%
SPAMHAUS XBL DNSBL 78.46% 0%
SORBS COMBINED DNSBL 77.91% 0.79%
NIX SPAM DNSBL 77.17% 0%
PSBL SURRIEL DNSBL 76.74% 0%
SPAMCOP DNSBL 74.23% 0.02%
UNSUBSCRIBE BLACKLIST DNSBL 73.72% 0%
SPAMRATS SPAM DNSBL 72.2% 0%
SORBS NEW AND RECENT SPAM DNSBL 71.4% 0.79%
JMF-BLACK DNSBL 70.04% 0.01%
SPAMHAUS SBL URIBL 69.88% 0.07%
DRONEBL DNSBL 69.14% 0%
DNSWL HIGH DNSWL 67.52% 0.44%
DCC CHECK 64.47% 3.19%
GBUDB.COM TRUNCATE DNSBL 63.67% 0%
WPBL DNSBL 62.93% 0%
SORBS WEB DNSBL 42.04% 0%
SPAMRATS NOPTR DNSBL 35.94% 0%
SPAMRATS DYNA DNSBL 27.31% 0%
SPAMHAUS PBL DNSBL 25.01% 0%
JIPPG DNSBL 23.75% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 23.49% 0.03%
SPAM EATING MONKEY - URI FRESH 10 URIBL 23.42% 0.03%
SPAM EATING MONKEY - URI FRESH URIBL 20.34% 0.03%
SPAM EATING MONKEY - URI RED URIBL 20.23% 0.03%
MAILSPIKE BL DNSBL 20.11% 0%
SPAM EATING MONKEY - URI BLACK URIBL 18.87% 0.01%
UCEPROTECT 2 DNSBL 18.57% 0%
SPAM EATING MONKEY - BLACK DNSBL 17.1% 0%
UCEPROTECT 3 DNSBL 15.14% 0%
DNSWL MEDIUM DNSWL 14.83% 0.09%
IX HASH CHECK 12.43% 0.09%
JMF-WHITE DNSWL 11.61% 0.12%
SORBS DUL DNSBL 6.28% 0%
DNSWL LOW DNSWL 2.33% 0.05%
DNSWL NONE DNSWL 1.86% 0.69%
SURBL PHISHING URIBL 0.53% 0%
MAILSPIKE WL DNSWL 0.51% 0.28%
SWINOG DNSRBL DNSBL 0.05% 0%
SWINOG URIBL URIBL 0% 0%
CBLCN PLUS DNSBL 0% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
IMP SPAMLIST DNSBL 0% 0%

View the data processing guide to learn more.