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
| 2025-02-27 |
We thank the Nixspam team for their service and have removed the defunct lists. |
Blacklists performance from 2025-06-09 till 2025-06-15
Below are weekly statistics of accuracy and failure rates for specific blacklists:
| Name | Type | Accuracy | Inaccuracy  |
| SURBL COMBINED | URIBL | 52.39% | 0% |
| COMPOSITE BLOCKING LIST | DNSBL | 24.23% | 0% |
| SPAM EATING MONKEY - BLACK | DNSBL | 12.86% | 0% |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 4.57% | 0% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 4.57% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| SPAMRATS SPAM | DNSBL | 31.35% | 0% |
| IMP SPAMLIST | DNSBL | 0% | 0% |
| JIPPG | DNSBL | 5.63% | 0% |
| SPAMHAUS PBL | DNSBL | 29.12% | 0% |
| MAILSPIKE BL | DNSBL | 40.38% | 0% |
| CBLCN PLUS | DNSBL | 0% | 0% |
| SPAMRATS ALL | DNSBL | 48.99% | 0% |
| SPAM EATING MONKEY - URI FRESH | URIBL | 4.57% | 0% |
| SPAMHAUS XBL | DNSBL | 24.23% | 0% |
| DNSWL HIGH | DNSWL | 0.35% | 0% |
| DNSWL LOW | DNSWL | 0.03% | 0% |
| SPAMHAUS ZEN | DNSBL | 46.12% | 0% |
| SPAM EATING MONKEY - URI RED | URIBL | 7.55% | 0% |
| GBUDB.COM TRUNCATE | DNSBL | 35.81% | 0% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 3.08% | 0% |
| SURBL CRACKED SITES | URIBL | 0% | 0% |
| SURBL MALWARE | URIBL | 0% | 0% |
| SURBL ABUSE | URIBL | 44.42% | 0% |
| SPAMRATS NOPTR | DNSBL | 8.18% | 0% |
| SPAMCOP | DNSBL | 33.16% | 0% |
| SPAMRATS DYNA | DNSBL | 10.73% | 0% |
| SURBL PHISHING | URIBL | 14.77% | 0% |
| SWINOG DNSRBL | DNSBL | 0% | 0% |
| WPBL | DNSBL | 0% | 0% |
| PSBL SURRIEL | DNSBL | 36.45% | 0% |
| UCEPROTECT 1 | DNSBL | 39.96% | 0% |
| SWINOG URIBL | URIBL | 0% | 0% |
| JMF-BLACK | DNSBL | 29.86% | 0.03% |
| SPAMHAUS SBL | URIBL | 0.53% | 0.03% |
| DRONEBL | DNSBL | 3.93% | 0.05% |
| SPAMHAUS DBL | URIBL | 30.61% | 0.05% |
| UCEPROTECT 3 | DNSBL | 45.06% | 0.08% |
| DNSWL MEDIUM | DNSWL | 72.48% | 0.11% |
| JMF-WHITE | DNSWL | 0.11% | 0.32% |
| UCEPROTECT 2 | DNSBL | 42.93% | 0.38% |
| URIBL BLACKLIST | URIBL | 30.92% | 0.54% |
| MAILSPIKE WL | DNSWL | 1.95% | 1.06% |
| DNSWL NONE | DNSWL | 0.62% | 2.66% |
| DCC | CHECK | 74.71% | 4.75% |