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 2025-02-03 till 2025-02-09

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

Name Type Accuracy Inaccuracy
CBLCN PLUS DNSBL 0% 0%
COMPOSITE BLOCKING LIST DNSBL 38.77% 0.04%
DCC CHECK 76.55% 2.98%
DNSWL HIGH DNSWL 0.32% 0%
DNSWL LOW DNSWL 0.09% 0%
DNSWL MEDIUM DNSWL 66.72% 0%
DNSWL NONE DNSWL 0.3% 2.06%
DRONEBL DNSBL 3.56% 0%
GBUDB.COM TRUNCATE DNSBL 61.23% 0.04%
IMP SPAMLIST DNSBL 0% 0%
IX HASH CHECK 0% 0%
JIPPG DNSBL 39.02% 0.04%
JMF-BLACK DNSBL 42.21% 0.04%
JMF-WHITE DNSWL 0.56% 0.19%
MAILSPIKE BL DNSBL 51.09% 0.04%
MAILSPIKE WL DNSWL 2.07% 1.19%
NIX SPAM DNSBL 0% 0%
PSBL SURRIEL DNSBL 41.65% 0.04%
SPAM EATING MONKEY - BLACK DNSBL 11.26% 0%
SPAM EATING MONKEY - URI BLACK URIBL 4.44% 0%
SPAM EATING MONKEY - URI FRESH URIBL 0.25% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 0.31% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 0.38% 0%
SPAM EATING MONKEY - URI RED URIBL 4.5% 0%
SPAMCOP DNSBL 53.41% 0.04%
SPAMHAUS DBL URIBL 19.95% 0.13%
SPAMHAUS PBL DNSBL 42.28% 0.04%
SPAMHAUS SBL URIBL 0% 0%
SPAMHAUS XBL DNSBL 38.71% 0.04%
SPAMHAUS ZEN DNSBL 56.6% 0.04%
SPAMRATS ALL DNSBL 68.67% 0.04%
SPAMRATS DYNA DNSBL 21.89% 0%
SPAMRATS NOPTR DNSBL 31.08% 0.04%
SPAMRATS SPAM DNSBL 41.84% 0.04%
SURBL ABUSE URIBL 43.28% 0%
SURBL COMBINED URIBL 50.78% 0%
SURBL CRACKED SITES URIBL 0.06% 0%
SURBL MALWARE URIBL 0.06% 0%
SURBL PHISHING URIBL 20.83% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 50.34% 0.04%
UCEPROTECT 2 DNSBL 65.98% 0.04%
UCEPROTECT 3 DNSBL 23.76% 64.21%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 38.9% 0.04%
WPBL DNSBL 0% 0%

View the data processing guide to learn more.