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% |
| URIBL BLACKLIST | URIBL | 18.76% | 2.77% |
| DNSWL NONE | DNSWL | 0.62% | 1.47% |
| SPAMHAUS SBL | URIBL | 0.29% | 1.31% |
| MAILSPIKE WL | DNSWL | 3.89% | 0.59% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 1.77% | 0.14% |
| JMF-WHITE | DNSWL | 2.13% | 0.1% |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 0.39% | 0.09% |
| SPAMHAUS DBL | URIBL | 18.17% | 0.02% |
| JMF-BLACK | DNSBL | 35.46% | 0.02% |
| SPAMHAUS PBL | DNSBL | 23.58% | 0% |
| JIPPG | DNSBL | 13.56% | 0% |
| SURBL COMBINED | URIBL | 20.33% | 0% |
| COMPOSITE BLOCKING LIST | DNSBL | 52.16% | 0% |
| SPAM EATING MONKEY - BLACK | DNSBL | 7.86% | 0% |
| SPAMHAUS XBL | DNSBL | 52.16% | 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 ZEN | DNSBL | 66.4% | 0% |
| DNSWL MEDIUM | DNSWL | 3.3% | 0% |
| DNSWL LOW | DNSWL | 0.32% | 0% |
| DNSWL HIGH | DNSWL | 0% | 0% |
| GBUDB.COM TRUNCATE | DNSBL | 47.64% | 0% |
| SURBL CRACKED SITES | URIBL | 0% | 0% |
| SURBL MALWARE | URIBL | 0% | 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% |
| SWINOG URIBL | URIBL | 0% | 0% |
| SPAM EATING MONKEY - URI RED | URIBL | 34.18% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| SPAMRATS SPAM | DNSBL | 12.28% | 0% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 33.89% | 0% |
| UCEPROTECT 3 | DNSBL | 25.25% | 0% |
| UCEPROTECT 1 | DNSBL | 34.68% | 0% |
| UCEPROTECT 2 | DNSBL | 36.74% | 0% |
| IMP SPAMLIST | DNSBL | 0% | 0% |