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 2026-09-14 till 2026-09-20
Below are weekly statistics of accuracy and failure rates for specific blacklists:
| Name | Type | Accuracy | Inaccuracy  |
| DCC | CHECK | 76.55% | 20.89% |
| SPAMHAUS SBL | URIBL | 0.45% | 3.2% |
| DNSWL NONE | DNSWL | 0.43% | 2.11% |
| MAILSPIKE WL | DNSWL | 2.55% | 0.9% |
| SURBL ABUSE | URIBL | 33.26% | 0.41% |
| SURBL COMBINED | URIBL | 36.2% | 0.41% |
| URIBL BLACKLIST | URIBL | 29.34% | 0.24% |
| JMF-BLACK | DNSBL | 22.93% | 0.12% |
| DNSWL MEDIUM | DNSWL | 2.05% | 0.08% |
| SPAMHAUS DBL | URIBL | 22.78% | 0.04% |
| DNSWL HIGH | DNSWL | 0% | 0% |
| SPAMHAUS PBL | DNSBL | 20.74% | 0% |
| SPAM EATING MONKEY - BLACK | DNSBL | 7.54% | 0% |
| COMPOSITE BLOCKING LIST | DNSBL | 39.29% | 0% |
| JIPPG | DNSBL | 7.39% | 0% |
| JMF-WHITE | DNSWL | 1.52% | 0% |
| MAILSPIKE BL | DNSBL | 18.25% | 0% |
| DRONEBL | DNSBL | 7.39% | 0% |
| SPAMRATS ALL | DNSBL | 46.76% | 0% |
| SPAM EATING MONKEY - URI FRESH | URIBL | 0.38% | 0% |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 0.45% | 0% |
| SPAMHAUS ZEN | DNSBL | 52.71% | 0% |
| SPAMHAUS XBL | DNSBL | 39.22% | 0% |
| DNSWL LOW | DNSWL | 0.43% | 0% |
| GBUDB.COM TRUNCATE | DNSBL | 48.42% | 0% |
| SURBL MALWARE | URIBL | 0% | 0% |
| SURBL PHISHING | URIBL | 25.26% | 0% |
| SWINOG DNSRBL | DNSBL | 0% | 0% |
| SURBL CRACKED SITES | URIBL | 0% | 0% |
| SPAMRATS NOPTR | DNSBL | 15.76% | 0% |
| PSBL SURRIEL | DNSBL | 5.2% | 0% |
| SPAMCOP | DNSBL | 22.78% | 0% |
| SPAMRATS DYNA | DNSBL | 20.97% | 0% |
| SWINOG URIBL | URIBL | 0% | 0% |
| UCEPROTECT 1 | DNSBL | 28.58% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| SPAMRATS SPAM | DNSBL | 12.44% | 0% |
| IMP SPAMLIST | DNSBL | 0% | 0% |
| SPAM EATING MONKEY - URI RED | URIBL | 32.58% | 0% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 32.35% | 0% |
| UCEPROTECT 2 | DNSBL | 49.47% | 0% |
| UCEPROTECT 3 | DNSBL | 23.6% | 0% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 0.6% | 0% |