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
| 2025-10-21 |
Removed the no longer operational WPBL and CBLCN lists |
Blacklists performance from 2026-07-27 till 2026-08-02
Below are weekly statistics of accuracy and failure rates for specific blacklists:
| Name | Type | Accuracy  |
Inaccuracy |
| DCC | CHECK | 86.35% | 23.2% |
| SPAMHAUS ZEN | DNSBL | 66.4% | 0% |
| SPAMHAUS XBL | DNSBL | 52.16% | 0% |
| COMPOSITE BLOCKING LIST | DNSBL | 52.16% | 0% |
| SPAMRATS ALL | DNSBL | 50.59% | 0% |
| GBUDB.COM TRUNCATE | DNSBL | 47.64% | 0% |
| MAILSPIKE BL | DNSBL | 38.7% | 0% |
| SPAMCOP | DNSBL | 37.43% | 0% |
| UCEPROTECT 2 | DNSBL | 36.74% | 0% |
| JMF-BLACK | DNSBL | 35.46% | 0.02% |
| UCEPROTECT 1 | DNSBL | 34.68% | 0% |
| SPAM EATING MONKEY - URI RED | URIBL | 34.18% | 0% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 33.89% | 0% |
| UCEPROTECT 3 | DNSBL | 25.25% | 0% |
| SPAMHAUS PBL | DNSBL | 23.58% | 0% |
| SPAMRATS NOPTR | DNSBL | 22.1% | 0% |
| SURBL COMBINED | URIBL | 20.33% | 0% |
| URIBL BLACKLIST | URIBL | 18.76% | 2.77% |
| DRONEBL | DNSBL | 18.27% | 0% |
| SPAMRATS DYNA | DNSBL | 18.17% | 0% |
| SPAMHAUS DBL | URIBL | 18.17% | 0.02% |
| SURBL ABUSE | URIBL | 16.9% | 0% |
| JIPPG | DNSBL | 13.56% | 0% |
| SPAMRATS SPAM | DNSBL | 12.28% | 0% |
| PSBL SURRIEL | DNSBL | 9.82% | 0% |
| SPAM EATING MONKEY - BLACK | DNSBL | 7.86% | 0% |
| MAILSPIKE WL | DNSWL | 3.89% | 0.59% |
| DNSWL MEDIUM | DNSWL | 3.3% | 0% |
| SURBL PHISHING | URIBL | 2.65% | 0% |
| JMF-WHITE | DNSWL | 2.13% | 0.1% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 1.77% | 0.14% |
| DNSWL NONE | DNSWL | 0.62% | 1.47% |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 0.39% | 0.09% |
| DNSWL LOW | DNSWL | 0.32% | 0% |
| SPAMHAUS SBL | URIBL | 0.29% | 1.31% |
| SPAM EATING MONKEY - URI FRESH | URIBL | 0.29% | 0% |
| SURBL MALWARE | URIBL | 0% | 0% |
| SURBL CRACKED SITES | URIBL | 0% | 0% |
| SWINOG DNSRBL | DNSBL | 0% | 0% |
| SWINOG URIBL | URIBL | 0% | 0% |
| DNSWL HIGH | DNSWL | 0% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| IMP SPAMLIST | DNSBL | 0% | 0% |