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 2025-06-02 till 2025-06-08
Below are weekly statistics of accuracy and failure rates for specific blacklists:
| Name | Type | Accuracy | Inaccuracy  |
| DCC | CHECK | 66.84% | 5.48% |
| DNSWL NONE | DNSWL | 1.84% | 3.26% |
| MAILSPIKE WL | DNSWL | 4.33% | 2.53% |
| JMF-WHITE | DNSWL | 0.65% | 0.32% |
| UCEPROTECT 2 | DNSBL | 45.37% | 0.22% |
| URIBL BLACKLIST | URIBL | 29.26% | 0.11% |
| SPAMHAUS DBL | URIBL | 37.47% | 0.11% |
| DRONEBL | DNSBL | 3.58% | 0.07% |
| JMF-BLACK | DNSBL | 27.68% | 0.07% |
| SPAMHAUS PBL | DNSBL | 30.32% | 0.07% |
| SPAMHAUS ZEN | DNSBL | 47.05% | 0.07% |
| GBUDB.COM TRUNCATE | DNSBL | 34.11% | 0.07% |
| UCEPROTECT 3 | DNSBL | 48.21% | 0.04% |
| SURBL ABUSE | URIBL | 49.58% | 0% |
| SPAMHAUS XBL | DNSBL | 25.16% | 0% |
| SPAMRATS NOPTR | DNSBL | 8.84% | 0% |
| DNSWL LOW | DNSWL | 0.25% | 0% |
| DNSWL MEDIUM | DNSWL | 61.88% | 0% |
| SURBL CRACKED SITES | URIBL | 0% | 0% |
| DNSWL HIGH | DNSWL | 1.23% | 0% |
| SPAMRATS DYNA | DNSBL | 11.68% | 0% |
| SPAM EATING MONKEY - URI FRESH | URIBL | 3.16% | 0% |
| PSBL SURRIEL | DNSBL | 38.32% | 0% |
| SPAMRATS ALL | DNSBL | 57.05% | 0% |
| CBLCN PLUS | DNSBL | 0% | 0% |
| SPAMCOP | DNSBL | 33.26% | 0% |
| MAILSPIKE BL | DNSBL | 44.42% | 0% |
| SPAMHAUS SBL | URIBL | 0.63% | 0% |
| JIPPG | DNSBL | 9.79% | 0% |
| SPAM EATING MONKEY - BLACK | DNSBL | 14.11% | 0% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 5.16% | 0% |
| SPAM EATING MONKEY - URI RED | URIBL | 8.21% | 0% |
| WPBL | DNSBL | 0% | 0% |
| SURBL PHISHING | URIBL | 16.53% | 0% |
| UCEPROTECT 1 | DNSBL | 41.68% | 0% |
| SWINOG DNSRBL | DNSBL | 0% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| SPAMRATS SPAM | DNSBL | 37.16% | 0% |
| SURBL COMBINED | URIBL | 56.95% | 0% |
| COMPOSITE BLOCKING LIST | DNSBL | 25.16% | 0% |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 6.11% | 0% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 13.05% | 0% |
| IMP SPAMLIST | DNSBL | 0% | 0% |
| SURBL MALWARE | URIBL | 0% | 0% |
| SWINOG URIBL | URIBL | 0% | 0% |