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 2026-06-15 till 2026-06-21
Below are weekly statistics of accuracy and failure rates for specific blacklists:
| Name | Type | Accuracy | Inaccuracy  |
| COMPOSITE BLOCKING LIST | DNSBL | 46.88% | 0% |
| SPAM EATING MONKEY - BLACK | DNSBL | 11.85% | 0% |
| JIPPG | DNSBL | 7.64% | 0% |
| SURBL COMBINED | URIBL | 27.39% | 0% |
| JMF-BLACK | DNSBL | 30.82% | 0% |
| SPAMRATS SPAM | DNSBL | 20.46% | 0% |
| IMP SPAMLIST | DNSBL | 0% | 0% |
| SPAMHAUS PBL | DNSBL | 23.44% | 0% |
| DNSWL HIGH | DNSWL | 0% | 0% |
| MAILSPIKE BL | DNSBL | 36.52% | 0% |
| DRONEBL | DNSBL | 10.27% | 0% |
| SPAMRATS ALL | DNSBL | 57.33% | 0% |
| SPAMHAUS DBL | URIBL | 24.76% | 0% |
| SPAMHAUS XBL | DNSBL | 46.88% | 0% |
| DNSWL MEDIUM | DNSWL | 2.88% | 0% |
| SPAMHAUS ZEN | DNSBL | 69.45% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| GBUDB.COM TRUNCATE | DNSBL | 46.71% | 0% |
| SURBL ABUSE | URIBL | 22.21% | 0% |
| SURBL MALWARE | URIBL | 0% | 0% |
| SURBL PHISHING | URIBL | 4.04% | 0% |
| SPAMRATS NOPTR | DNSBL | 19.14% | 0% |
| SPAMRATS DYNA | DNSBL | 19.58% | 0% |
| PSBL SURRIEL | DNSBL | 15.36% | 0% |
| SPAMCOP | DNSBL | 27.3% | 0% |
| SWINOG DNSRBL | DNSBL | 0% | 0% |
| SURBL CRACKED SITES | URIBL | 0% | 0% |
| SWINOG URIBL | URIBL | 0% | 0% |
| UCEPROTECT 1 | DNSBL | 31.96% | 0% |
| UCEPROTECT 2 | DNSBL | 44.78% | 0% |
| UCEPROTECT 3 | DNSBL | 30.2% | 0.03% |
| SPAM EATING MONKEY - URI FRESH | URIBL | 0.53% | 0.05% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 1.93% | 0.05% |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 1.14% | 0.05% |
| DNSWL LOW | DNSWL | 0.53% | 0.09% |
| JMF-WHITE | DNSWL | 1.35% | 0.09% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 21.95% | 0.13% |
| SPAM EATING MONKEY - URI RED | URIBL | 22.12% | 0.13% |
| SPAMHAUS SBL | URIBL | 0.61% | 0.26% |
| MAILSPIKE WL | DNSWL | 3.09% | 0.53% |
| URIBL BLACKLIST | URIBL | 32.57% | 0.74% |
| DNSWL NONE | DNSWL | 0.71% | 1.76% |
| DCC | CHECK | 90.08% | 18.96% |