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 2025-07-07 till 2025-07-13
Below are weekly statistics of accuracy and failure rates for specific blacklists:
Name | Type | Accuracy | Inaccuracy ![]() |
DCC | CHECK | 73.64% | 6.63% |
MAILSPIKE WL | DNSWL | 3.37% | 1.67% |
DNSWL NONE | DNSWL | 0.76% | 1.58% |
UCEPROTECT 3 | DNSBL | 30.67% | 0.09% |
DNSWL LOW | DNSWL | 0.03% | 0.09% |
SURBL COMBINED | URIBL | 60.81% | 0.09% |
SURBL ABUSE | URIBL | 52.02% | 0.09% |
JMF-WHITE | DNSWL | 1.48% | 0.09% |
JMF-BLACK | DNSBL | 28.3% | 0.06% |
URIBL BLACKLIST | URIBL | 44.02% | 0.03% |
PSBL SURRIEL | DNSBL | 26.63% | 0.03% |
SPAM EATING MONKEY - URI FRESH 15 | URIBL | 5.98% | 0.03% |
SPAM EATING MONKEY - URI FRESH 10 | URIBL | 5.98% | 0.03% |
SPAMHAUS SBL | URIBL | 0.18% | 0.03% |
DNSWL HIGH | DNSWL | 0.23% | 0% |
JIPPG | DNSBL | 3.34% | 0% |
DNSWL MEDIUM | DNSWL | 76.02% | 0% |
SPAMHAUS PBL | DNSBL | 44.73% | 0% |
SPAMHAUS ZEN | DNSBL | 51.85% | 0% |
SPAM EATING MONKEY - URI FRESH | URIBL | 5.98% | 0% |
MAILSPIKE BL | DNSBL | 48.59% | 0% |
DRONEBL | DNSBL | 4.22% | 0% |
SPAMHAUS DBL | URIBL | 32.6% | 0% |
SPAM EATING MONKEY - BLACK | DNSBL | 15.29% | 0% |
CBLCN PLUS | DNSBL | 0% | 0% |
SPAMHAUS XBL | DNSBL | 19.33% | 0% |
SPAMRATS ALL | DNSBL | 56.59% | 0% |
GBUDB.COM TRUNCATE | DNSBL | 37.87% | 0% |
SURBL MALWARE | URIBL | 0% | 0% |
SURBL PHISHING | URIBL | 12.04% | 0% |
SWINOG DNSRBL | DNSBL | 0% | 0% |
SURBL CRACKED SITES | URIBL | 0.09% | 0% |
SPAMRATS NOPTR | DNSBL | 9.67% | 0% |
SPAMCOP | DNSBL | 46.92% | 0% |
SPAMRATS DYNA | DNSBL | 11.34% | 0% |
SWINOG URIBL | URIBL | 0% | 0% |
UCEPROTECT 1 | DNSBL | 29.88% | 0% |
UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
SPAMRATS SPAM | DNSBL | 36.2% | 0% |
IMP SPAMLIST | DNSBL | 0% | 0% |
SPAM EATING MONKEY - URI RED | URIBL | 7.47% | 0% |
SPAM EATING MONKEY - URI BLACK | URIBL | 2.11% | 0% |
UCEPROTECT 2 | DNSBL | 56.94% | 0% |
WPBL | DNSBL | 0% | 0% |
COMPOSITE BLOCKING LIST | DNSBL | 19.33% | 0% |