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 2025-01-20 till 2025-01-26

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 22.1% 0%
DCC CHECK 73.31% 5.74%
DNSWL HIGH DNSWL 0.4% 0%
DNSWL LOW DNSWL 0.18% 0%
DNSWL MEDIUM DNSWL 63.83% 0%
DNSWL NONE DNSWL 0.95% 2.9%
DRONEBL DNSBL 4.95% 0%
GBUDB.COM TRUNCATE DNSBL 56.88% 0%
IMP SPAMLIST DNSBL 0% 0%
IX HASH CHECK 0% 0%
JIPPG DNSBL 11.71% 0%
JMF-BLACK DNSBL 37.92% 0.33%
JMF-WHITE DNSWL 0.91% 0.24%
MAILSPIKE BL DNSBL 32.61% 0%
MAILSPIKE WL DNSWL 1.89% 1.21%
NIX SPAM DNSBL 0% 0%
PSBL SURRIEL DNSBL 25.97% 0.04%
SPAM EATING MONKEY - BLACK DNSBL 11.71% 0%
SPAM EATING MONKEY - URI BLACK URIBL 2.29% 0.04%
SPAM EATING MONKEY - URI FRESH URIBL 1.57% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 1.69% 0.04%
SPAM EATING MONKEY - URI FRESH 15 URIBL 1.69% 0.04%
SPAM EATING MONKEY - URI RED URIBL 2.78% 0.04%
SPAMCOP DNSBL 38.41% 0%
SPAMHAUS DBL URIBL 21.01% 0.04%
SPAMHAUS PBL DNSBL 31.64% 0%
SPAMHAUS SBL URIBL 0% 0%
SPAMHAUS XBL DNSBL 22.1% 0%
SPAMHAUS ZEN DNSBL 43.6% 0%
SPAMRATS ALL DNSBL 58.45% 0.07%
SPAMRATS DYNA DNSBL 13.29% 0%
SPAMRATS NOPTR DNSBL 21.26% 0%
SPAMRATS SPAM DNSBL 25.72% 0.07%
SURBL ABUSE URIBL 49.52% 0%
SURBL COMBINED URIBL 57.37% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 22.46% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 35.39% 0%
UCEPROTECT 2 DNSBL 58.09% 0%
UCEPROTECT 3 DNSBL 26.09% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 48.19% 0.15%
WPBL DNSBL 0% 0%

View the data processing guide to learn more.