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 2025-09-22 till 2025-09-28
Below are weekly statistics of accuracy and failure rates for specific blacklists:
Name | Type | Accuracy ![]() |
Inaccuracy |
DCC | CHECK | 68.13% | 4.38% |
UCEPROTECT 2 | DNSBL | 64.81% | 0% |
SURBL COMBINED | URIBL | 61.58% | 0% |
SURBL ABUSE | URIBL | 53.76% | 0% |
DNSWL MEDIUM | DNSWL | 51.94% | 0% |
MAILSPIKE BL | DNSBL | 51.03% | 0% |
GBUDB.COM TRUNCATE | DNSBL | 49.76% | 0% |
SPAMHAUS ZEN | DNSBL | 48.58% | 0% |
SPAMCOP | DNSBL | 46.53% | 0.03% |
UCEPROTECT 3 | DNSBL | 43.11% | 0% |
SPAMHAUS DBL | URIBL | 42.72% | 0% |
SPAMRATS ALL | DNSBL | 41.74% | 0% |
JMF-BLACK | DNSBL | 36.07% | 0.03% |
UCEPROTECT 1 | DNSBL | 33.72% | 0% |
SURBL PHISHING | URIBL | 32.06% | 0% |
SPAMHAUS PBL | DNSBL | 30.6% | 0% |
PSBL SURRIEL | DNSBL | 30.01% | 0% |
COMPOSITE BLOCKING LIST | DNSBL | 22.68% | 0% |
SPAMHAUS XBL | DNSBL | 22.68% | 0% |
SPAMRATS SPAM | DNSBL | 20.33% | 0% |
URIBL BLACKLIST | URIBL | 20.33% | 0% |
SPAM EATING MONKEY - BLACK | DNSBL | 18.48% | 0% |
SPAMRATS NOPTR | DNSBL | 12.41% | 0% |
SPAMRATS DYNA | DNSBL | 10.36% | 0% |
SPAM EATING MONKEY - URI FRESH 15 | URIBL | 7.04% | 0% |
SPAM EATING MONKEY - URI RED | URIBL | 4.69% | 0.37% |
SPAM EATING MONKEY - URI FRESH 10 | URIBL | 3.91% | 0% |
DRONEBL | DNSBL | 3.32% | 0.03% |
JIPPG | DNSBL | 3.13% | 0% |
SPAM EATING MONKEY - URI BLACK | URIBL | 2.93% | 0.37% |
MAILSPIKE WL | DNSWL | 2.92% | 2.05% |
SPAM EATING MONKEY - URI FRESH | URIBL | 2.64% | 0% |
DNSWL NONE | DNSWL | 2.47% | 3.32% |
JMF-WHITE | DNSWL | 0.84% | 0.39% |
SPAMHAUS SBL | URIBL | 0.59% | 0% |
DNSWL LOW | DNSWL | 0.08% | 0% |
CBLCN PLUS | DNSBL | 0% | 0% |
SURBL CRACKED SITES | URIBL | 0% | 0% |
SURBL MALWARE | URIBL | 0% | 0% |
SWINOG URIBL | URIBL | 0% | 0% |
IMP SPAMLIST | DNSBL | 0% | 0% |
UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
DNSWL HIGH | DNSWL | 0% | 0% |
WPBL | DNSBL | 0% | 0% |
SWINOG DNSRBL | DNSBL | 0% | 0% |