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

2025-10-21

Removed the no longer operational WPBL and CBLCN lists
» More news

Blacklists performance from 2026-04-06 till 2026-04-12

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

Name Type Accuracy Inaccuracy
IMP SPAMLIST DNSBL 0% 0%
JMF-BLACK DNSBL 39.03% 0%
SPAMRATS SPAM DNSBL 17.83% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
SPAM EATING MONKEY - URI BLACK URIBL 12.55% 0%
SPAM EATING MONKEY - URI RED URIBL 13.82% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 4.01% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 3.06% 0%
JIPPG DNSBL 6.43% 0%
DNSWL MEDIUM DNSWL 3.32% 0%
SPAM EATING MONKEY - BLACK DNSBL 15.08% 0%
DNSWL LOW DNSWL 0.26% 0%
SURBL COMBINED URIBL 49.47% 0%
DNSWL HIGH DNSWL 0.02% 0%
SPAM EATING MONKEY - URI FRESH URIBL 2.74% 0%
SPAMRATS DYNA DNSBL 8.12% 0%
SPAMRATS NOPTR DNSBL 19.09% 0%
SPAMCOP DNSBL 38.71% 0%
SPAMRATS ALL DNSBL 44.62% 0%
PSBL SURRIEL DNSBL 23.31% 0%
SURBL ABUSE URIBL 43.04% 0%
SURBL CRACKED SITES URIBL 0% 0%
MAILSPIKE BL DNSBL 36.6% 0%
SWINOG URIBL URIBL 0% 0%
SWINOG DNSRBL DNSBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 17.62% 0%
SPAMHAUS ZEN DNSBL 53.8% 0.02%
DRONEBL DNSBL 10.13% 0.02%
SPAMHAUS XBL DNSBL 31.65% 0.02%
GBUDB.COM TRUNCATE DNSBL 42.93% 0.02%
UCEPROTECT 1 DNSBL 37.13% 0.02%
COMPOSITE BLOCKING LIST DNSBL 31.65% 0.02%
SPAMHAUS PBL DNSBL 25.32% 0.02%
SPAMHAUS SBL URIBL 0.63% 0.07%
SPAMHAUS DBL URIBL 35.97% 0.07%
JMF-WHITE DNSWL 2.21% 0.21%
URIBL BLACKLIST URIBL 34.7% 0.32%
UCEPROTECT 3 DNSBL 32.49% 1.93%
MAILSPIKE WL DNSWL 4.27% 2%
UCEPROTECT 2 DNSBL 44.41% 2.14%
DNSWL NONE DNSWL 0.51% 4.64%
DCC CHECK 78.48% 7.64%

View the data processing guide to learn more.