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