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  |
| SPAM EATING MONKEY - BLACK | DNSBL | 7.86% | 0% |
| JIPPG | DNSBL | 13.56% | 0% |
| SPAMHAUS PBL | DNSBL | 23.58% | 0% |
| COMPOSITE BLOCKING LIST | DNSBL | 52.16% | 0% |
| SURBL COMBINED | URIBL | 20.33% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| SPAMRATS SPAM | DNSBL | 12.28% | 0% |
| IMP SPAMLIST | DNSBL | 0% | 0% |
| DNSWL HIGH | DNSWL | 0% | 0% |
| DNSWL MEDIUM | DNSWL | 3.3% | 0% |
| MAILSPIKE BL | DNSBL | 38.7% | 0% |
| DRONEBL | DNSBL | 18.27% | 0% |
| SPAMRATS ALL | DNSBL | 50.59% | 0% |
| SPAM EATING MONKEY - URI FRESH | URIBL | 0.29% | 0% |
| SPAMHAUS XBL | DNSBL | 52.16% | 0% |
| DNSWL LOW | DNSWL | 0.32% | 0% |
| SPAMHAUS ZEN | DNSBL | 66.4% | 0% |
| SPAM EATING MONKEY - URI RED | URIBL | 34.18% | 0% |
| GBUDB.COM TRUNCATE | DNSBL | 47.64% | 0% |
| SURBL CRACKED SITES | URIBL | 0% | 0% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 33.89% | 0% |
| SURBL PHISHING | URIBL | 2.65% | 0% |
| SURBL ABUSE | URIBL | 16.9% | 0% |
| SPAMRATS NOPTR | DNSBL | 22.1% | 0% |
| PSBL SURRIEL | DNSBL | 9.82% | 0% |
| SPAMCOP | DNSBL | 37.43% | 0% |
| SPAMRATS DYNA | DNSBL | 18.17% | 0% |
| SWINOG DNSRBL | DNSBL | 0% | 0% |
| SURBL MALWARE | URIBL | 0% | 0% |
| UCEPROTECT 3 | DNSBL | 25.25% | 0% |
| SWINOG URIBL | URIBL | 0% | 0% |
| UCEPROTECT 2 | DNSBL | 36.74% | 0% |
| UCEPROTECT 1 | DNSBL | 34.68% | 0% |
| JMF-BLACK | DNSBL | 35.46% | 0.02% |
| SPAMHAUS DBL | URIBL | 18.17% | 0.02% |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 0.39% | 0.09% |
| JMF-WHITE | DNSWL | 2.13% | 0.1% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 1.77% | 0.14% |
| MAILSPIKE WL | DNSWL | 3.89% | 0.59% |
| SPAMHAUS SBL | URIBL | 0.29% | 1.31% |
| DNSWL NONE | DNSWL | 0.62% | 1.47% |
| URIBL BLACKLIST | URIBL | 18.76% | 2.77% |
| DCC | CHECK | 86.35% | 23.2% |