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 2026-03-23 till 2026-03-29
Below are weekly statistics of accuracy and failure rates for specific blacklists:
| Name | Type | Accuracy ![]() |
Inaccuracy |
| DCC | CHECK | 82.57% | 10.6% |
| UCEPROTECT 2 | DNSBL | 53.13% | 0.04% |
| UCEPROTECT 3 | DNSBL | 52.28% | 59.5% |
| SPAMCOP | DNSBL | 41.54% | 0% |
| SURBL COMBINED | URIBL | 40.36% | 0% |
| GBUDB.COM TRUNCATE | DNSBL | 38.32% | 0.04% |
| MAILSPIKE BL | DNSBL | 38.07% | 0% |
| SPAMHAUS ZEN | DNSBL | 37.9% | 0.02% |
| SURBL ABUSE | URIBL | 36.38% | 0% |
| SPAMRATS ALL | DNSBL | 34.01% | 0% |
| JMF-BLACK | DNSBL | 32.23% | 0% |
| UCEPROTECT 1 | DNSBL | 30.46% | 0% |
| URIBL BLACKLIST | URIBL | 30.03% | 0.12% |
| SPAMHAUS DBL | URIBL | 23.52% | 0.06% |
| PSBL SURRIEL | DNSBL | 22.17% | 0% |
| SPAMHAUS PBL | DNSBL | 18.87% | 0.02% |
| SPAMRATS SPAM | DNSBL | 18.19% | 0% |
| SPAMHAUS XBL | DNSBL | 15.14% | 0.02% |
| COMPOSITE BLOCKING LIST | DNSBL | 15.14% | 0.02% |
| SURBL PHISHING | URIBL | 13.54% | 0% |
| SPAM EATING MONKEY - BLACK | DNSBL | 11.59% | 0% |
| SPAMRATS NOPTR | DNSBL | 11.25% | 0% |
| DRONEBL | DNSBL | 8.38% | 0.16% |
| SPAM EATING MONKEY - URI RED | URIBL | 5.84% | 0% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 5.41% | 0% |
| SPAMRATS DYNA | DNSBL | 5.16% | 0% |
| JIPPG | DNSBL | 4.82% | 0% |
| MAILSPIKE WL | DNSWL | 2.13% | 1.61% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 2.12% | 0.06% |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 1.61% | 0.02% |
| DNSWL MEDIUM | DNSWL | 1.47% | 0% |
| SPAM EATING MONKEY - URI FRESH | URIBL | 1.44% | 0.02% |
| DNSWL NONE | DNSWL | 0.9% | 3.64% |
| DNSWL LOW | DNSWL | 0.47% | 0.08% |
| JMF-WHITE | DNSWL | 0.37% | 0.17% |
| SPAMHAUS SBL | URIBL | 0.34% | 0.06% |
| DNSWL HIGH | DNSWL | 0.08% | 0% |
| SURBL MALWARE | URIBL | 0% | 0% |
| SURBL CRACKED SITES | URIBL | 0% | 0% |
| IMP SPAMLIST | DNSBL | 0% | 0% |
| SWINOG DNSRBL | DNSBL | 0% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| SWINOG URIBL | URIBL | 0% | 0% |
