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

2025-02-27

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

Blacklists performance from 2025-04-14 till 2025-04-20

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

Name Type Accuracy Inaccuracy
SPAM EATING MONKEY - BLACK DNSBL 12.95% 0%
JIPPG DNSBL 3.16% 0%
SPAMHAUS PBL DNSBL 28.01% 0%
COMPOSITE BLOCKING LIST DNSBL 25.15% 0%
IMP SPAMLIST DNSBL 0% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
SPAMRATS SPAM DNSBL 25% 0%
DNSWL HIGH DNSWL 0.45% 0%
DNSWL LOW DNSWL 0.11% 0%
DRONEBL DNSBL 1.2% 0%
SPAMRATS ALL DNSBL 48.34% 0%
CBLCN PLUS DNSBL 0% 0%
MAILSPIKE BL DNSBL 30.27% 0%
SPAMHAUS ZEN DNSBL 40.21% 0%
SPAMHAUS XBL DNSBL 25.15% 0%
WPBL DNSBL 0% 0%
GBUDB.COM TRUNCATE DNSBL 38.25% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL PHISHING URIBL 17.32% 0%
SWINOG DNSRBL DNSBL 0% 0%
SPAMRATS NOPTR DNSBL 12.5% 0%
SPAMRATS DYNA DNSBL 11.9% 0%
SPAMCOP DNSBL 27.86% 0%
SPAMHAUS SBL URIBL 0% 0%
SWINOG URIBL URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
UCEPROTECT 1 DNSBL 27.71% 0%
SURBL COMBINED URIBL 52.86% 0.03%
SPAM EATING MONKEY - URI RED URIBL 6.02% 0.03%
JMF-BLACK DNSBL 32.68% 0.03%
PSBL SURRIEL DNSBL 27.11% 0.03%
SPAM EATING MONKEY - URI BLACK URIBL 2.41% 0.03%
SURBL ABUSE URIBL 44.58% 0.03%
UCEPROTECT 3 DNSBL 34.64% 0.06%
URIBL BLACKLIST URIBL 28.61% 0.06%
SPAM EATING MONKEY - URI FRESH 15 URIBL 6.17% 0.08%
SPAM EATING MONKEY - URI FRESH 10 URIBL 5.12% 0.08%
SPAM EATING MONKEY - URI FRESH URIBL 4.52% 0.08%
UCEPROTECT 2 DNSBL 42.17% 0.14%
SPAMHAUS DBL URIBL 41.87% 0.17%
JMF-WHITE DNSWL 0.4% 0.3%
DNSWL MEDIUM DNSWL 75.96% 0.6%
MAILSPIKE WL DNSWL 1.44% 1.66%
DCC CHECK 67.02% 4.38%
DNSWL NONE DNSWL 0.99% 4.82%

View the data processing guide to learn more.