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 2026-06-22 till 2026-06-28
Below are weekly statistics of accuracy and failure rates for specific blacklists:
| Name | Type | Accuracy  |
Inaccuracy |
| DCC | CHECK | 87.39% | 23.38% |
| SPAMHAUS ZEN | DNSBL | 72.22% | 0% |
| SPAMRATS ALL | DNSBL | 56.85% | 0% |
| SPAMHAUS XBL | DNSBL | 50.15% | 0% |
| GBUDB.COM TRUNCATE | DNSBL | 50.15% | 0% |
| COMPOSITE BLOCKING LIST | DNSBL | 50.05% | 0% |
| UCEPROTECT 2 | DNSBL | 43.55% | 0.05% |
| SPAMCOP | DNSBL | 42.96% | 0.05% |
| UCEPROTECT 1 | DNSBL | 39.21% | 0% |
| UCEPROTECT 3 | DNSBL | 36.75% | 0.13% |
| JMF-BLACK | DNSBL | 36.75% | 0.03% |
| MAILSPIKE BL | DNSBL | 34.29% | 0% |
| SPAMHAUS PBL | DNSBL | 31.53% | 0% |
| SPAM EATING MONKEY - URI RED | URIBL | 30.64% | 0.34% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 30.54% | 0.34% |
| SPAMRATS NOPTR | DNSBL | 25.32% | 0% |
| URIBL BLACKLIST | URIBL | 25.32% | 1.77% |
| SURBL COMBINED | URIBL | 22.17% | 0% |
| SPAMHAUS DBL | URIBL | 19.21% | 0.03% |
| DRONEBL | DNSBL | 18.82% | 0% |
| SURBL ABUSE | URIBL | 18.23% | 0% |
| SPAMRATS SPAM | DNSBL | 17.34% | 0% |
| JIPPG | DNSBL | 16.65% | 0% |
| SPAMRATS DYNA | DNSBL | 16.16% | 0% |
| PSBL SURRIEL | DNSBL | 13.5% | 0% |
| SPAM EATING MONKEY - BLACK | DNSBL | 7.59% | 0% |
| SURBL PHISHING | URIBL | 4.83% | 0% |
| MAILSPIKE WL | DNSWL | 3% | 0.79% |
| DNSWL MEDIUM | DNSWL | 1.95% | 0% |
| JMF-WHITE | DNSWL | 1.41% | 0% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 1.38% | 0% |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 1.38% | 0% |
| DNSWL NONE | DNSWL | 1.28% | 1.18% |
| SPAM EATING MONKEY - URI FRESH | URIBL | 1.18% | 0% |
| SPAMHAUS SBL | URIBL | 0.79% | 1.33% |
| DNSWL LOW | DNSWL | 0.44% | 0% |
| DNSWL HIGH | DNSWL | 0.05% | 0% |
| SURBL MALWARE | URIBL | 0% | 0% |
| SURBL CRACKED SITES | URIBL | 0% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| IMP SPAMLIST | DNSBL | 0% | 0% |
| SWINOG URIBL | URIBL | 0% | 0% |
| SWINOG DNSRBL | DNSBL | 0% | 0% |