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. |
Blacklists performance from 2025-10-06 till 2025-10-12
Below are weekly statistics of accuracy and failure rates for specific blacklists:
Name | Type | Accuracy | Inaccuracy ![]() |
SURBL COMBINED | URIBL | 50.22% | 0% |
COMPOSITE BLOCKING LIST | DNSBL | 26.25% | 0% |
SPAM EATING MONKEY - BLACK | DNSBL | 20.28% | 0% |
SPAM EATING MONKEY - URI FRESH 10 | URIBL | 3.9% | 0% |
SPAM EATING MONKEY - URI FRESH 15 | URIBL | 3.9% | 0% |
SPAMRATS SPAM | DNSBL | 18.76% | 0% |
IMP SPAMLIST | DNSBL | 0% | 0% |
JMF-BLACK | DNSBL | 40.67% | 0% |
JIPPG | DNSBL | 7.7% | 0% |
SPAMHAUS PBL | DNSBL | 29.5% | 0% |
MAILSPIKE BL | DNSBL | 50.98% | 0% |
CBLCN PLUS | DNSBL | 0% | 0% |
SPAMRATS ALL | DNSBL | 44.03% | 0% |
SPAM EATING MONKEY - URI FRESH | URIBL | 2.93% | 0% |
SPAMHAUS XBL | DNSBL | 26.25% | 0% |
DNSWL HIGH | DNSWL | 0.33% | 0% |
DNSWL MEDIUM | DNSWL | 34.23% | 0% |
SPAMHAUS ZEN | DNSBL | 51.74% | 0% |
UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
GBUDB.COM TRUNCATE | DNSBL | 52.17% | 0% |
SURBL CRACKED SITES | URIBL | 0% | 0% |
SURBL MALWARE | URIBL | 0% | 0% |
SURBL PHISHING | URIBL | 25.49% | 0% |
SPAM EATING MONKEY - URI RED | URIBL | 4.45% | 0% |
SPAMRATS NOPTR | DNSBL | 13.77% | 0% |
SPAMCOP | DNSBL | 49.35% | 0% |
SPAMRATS DYNA | DNSBL | 12.58% | 0% |
SWINOG DNSRBL | DNSBL | 0% | 0% |
SURBL ABUSE | URIBL | 43.28% | 0% |
WPBL | DNSBL | 0% | 0% |
UCEPROTECT 3 | DNSBL | 42.41% | 0% |
SWINOG URIBL | URIBL | 0% | 0% |
SPAM EATING MONKEY - URI BLACK | URIBL | 3.15% | 0% |
DRONEBL | DNSBL | 5.53% | 0.04% |
PSBL SURRIEL | DNSBL | 26.36% | 0.04% |
UCEPROTECT 1 | DNSBL | 35.79% | 0.04% |
UCEPROTECT 2 | DNSBL | 52.82% | 0.04% |
SPAMHAUS SBL | URIBL | 0.22% | 0.04% |
URIBL BLACKLIST | URIBL | 30.37% | 0.08% |
SPAMHAUS DBL | URIBL | 33.08% | 0.16% |
DNSWL LOW | DNSWL | 1.15% | 0.22% |
JMF-WHITE | DNSWL | 1.23% | 0.43% |
MAILSPIKE WL | DNSWL | 5.36% | 2.82% |
DCC | CHECK | 73.97% | 4.09% |
DNSWL NONE | DNSWL | 1.19% | 4.45% |