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

2017-07-17

Removed IX HASH SEM as this zone is out of operation.
» More news

Blacklists performance from 2018-02-12 till 2018-02-18

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

Name Type Accuracy Inaccuracy
DCC CHECK 82.88% 5.81%
JMF-WHITE DNSWL 81.86% 2.92%
DNSWL HIGH DNSWL 78.6% 2.62%
URIBL BLACKLIST URIBL 59.01% 0.05%
SPAMHAUS DBL URIBL 56.9% 0.11%
UCEPROTECT 1 DNSBL 52.17% 0.03%
SORBS COMBINED DNSBL 49.35% 0.65%
SORBS NEW AND RECENT SPAM DNSBL 47.13% 0.65%
PSBL SURRIEL DNSBL 46.42% 0%
JMF-BLACK DNSBL 44.11% 0%
SPAMHAUS ZEN DNSBL 42.8% 0.02%
SURBL COMBINED URIBL 42.5% 0.02%
SURBL ABUSE URIBL 42.3% 0.02%
INPS.DE DNSBL DNSBL 40.48% 0%
SPAMHAUS XBL DNSBL 37.87% 0%
COMPOSITE BLOCKING LIST DNSBL 37.87% 0%
NIX SPAM DNSBL 34.54% 0%
SPAMCOP DNSBL 32.73% 0%
WPBL DNSBL 31.72% 0%
GBUDB.COM TRUNCATE DNSBL 31.22% 0%
UNSUBSCRIBE BLACKLIST DNSBL 30.92% 0%
SPAMHAUS PBL DNSBL 22.26% 0.02%
SPAMRATS NOPTR DNSBL 21.95% 0%
IX HASH CHECK 21.05% 0.03%
SPAM EATING MONKEY - BLACK DNSBL 20.95% 0%
MAILSPIKE BL DNSBL 20.24% 0%
UCEPROTECT 2 DNSBL 20.04% 0.01%
SPAMRATS DYNA DNSBL 19.84% 0.03%
SPAM EATING MONKEY - URI RED URIBL 18.83% 0.1%
SPAMHAUS SBL URIBL 16.31% 0.02%
SORBS WEB DNSBL 13.29% 0%
MAILSPIKE WL DNSWL 12.64% 1.01%
SPAM EATING MONKEY - URI BLACK URIBL 9.47% 0.09%
DRONEBL DNSBL 9.16% 0.01%
SPAMRATS SPAM DNSBL 8.66% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 8.46% 0.02%
SPAM EATING MONKEY - URI FRESH 10 URIBL 8.46% 0.02%
SPAM EATING MONKEY - URI FRESH URIBL 7.55% 0%
JIPPG DNSBL 7.25% 0%
DNSWL MEDIUM DNSWL 6.49% 0.1%
SORBS DUL DNSBL 5.74% 0%
CBLCN PLUS DNSBL 1.91% 0.56%
DNSWL NONE DNSWL 1.87% 2.92%
IMP SPAMLIST DNSBL 1.61% 0%
SWINOG DNSRBL DNSBL 1.01% 0%
SURBL PHISHING URIBL 0.81% 0%
DNSWL LOW DNSWL 0.47% 0.1%
UCEPROTECT 3 DNSBL 0.1% 0%
SURBL CRACKED SITES URIBL 0% 0%
SWINOG URIBL URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%

View the data processing guide to learn more.