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

2024-06-10

We thank the SORBS team for their service and have removed the defunct lists.
» More news

Blacklists performance from 2025-01-13 till 2025-01-19

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

Name Type Accuracy Inaccuracy
DCC CHECK 77.68% 3.01%
DNSWL MEDIUM DNSWL 76% 0%
SPAMHAUS ZEN DNSBL 55.91% 0.09%
UCEPROTECT 2 DNSBL 55.14% 0.17%
SURBL COMBINED URIBL 53.61% 0.03%
GBUDB.COM TRUNCATE DNSBL 52.95% 0%
URIBL BLACKLIST URIBL 51.09% 0.2%
SPAMRATS ALL DNSBL 50% 0%
SURBL ABUSE URIBL 48.03% 0.03%
SPAMCOP DNSBL 42.01% 0.03%
COMPOSITE BLOCKING LIST DNSBL 37.31% 0.09%
SPAMHAUS XBL DNSBL 37.31% 0.09%
UCEPROTECT 1 DNSBL 36.98% 0%
MAILSPIKE BL DNSBL 36.65% 0%
SPAMHAUS PBL DNSBL 35.34% 0%
JMF-BLACK DNSBL 35.01% 0.17%
SURBL PHISHING URIBL 31.62% 0%
UCEPROTECT 3 DNSBL 30.63% 0.11%
SPAMRATS NOPTR DNSBL 27.46% 0%
PSBL SURRIEL DNSBL 25.82% 0%
SPAMHAUS DBL URIBL 18.93% 0.03%
SPAMRATS SPAM DNSBL 17.94% 0%
SPAM EATING MONKEY - BLACK DNSBL 9.19% 0%
SPAMRATS DYNA DNSBL 7.77% 0%
NIX SPAM DNSBL 7% 0%
IX HASH CHECK 6.46% 0%
JIPPG DNSBL 2.95% 0%
SPAM EATING MONKEY - URI RED URIBL 2.74% 0%
DRONEBL DNSBL 2.74% 0%
SPAM EATING MONKEY - URI BLACK URIBL 2.74% 0%
MAILSPIKE WL DNSWL 1.93% 1.09%
SPAM EATING MONKEY - URI FRESH 10 URIBL 1.53% 0.03%
SPAM EATING MONKEY - URI FRESH 15 URIBL 1.53% 0.03%
SPAM EATING MONKEY - URI FRESH URIBL 1.53% 0%
DNSWL NONE DNSWL 1.11% 4.05%
JMF-WHITE DNSWL 0.51% 0.11%
DNSWL HIGH DNSWL 0.23% 0%
SPAMHAUS SBL URIBL 0.11% 0%
DNSWL LOW DNSWL 0.09% 0%
IMP SPAMLIST DNSBL 0% 0%
CBLCN PLUS DNSBL 0% 0%
SURBL MALWARE URIBL 0% 0%
WPBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
SWINOG DNSRBL DNSBL 0% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
SURBL CRACKED SITES URIBL 0% 0%

View the data processing guide to learn more.