| spam.dnsbl.anonmails.de | |
| Spamhaus ZEN (combination of all Spamhaus IP-based DNSBLs) - zen.spamhaus.org |  |
| NiX Spam - - discontinued | |
| SORBS (all aggregated zones) - dnsbl.sorbs.net | |
| Mailspike - bl.mailspike.net | |
| UCEPROTECT Level 1 - dnsbl-1.uceprotect.net | |
| CBL (Composite Block List) - cbl.abuseat.org | |
| SpamCop Blocking List - bl.spamcop.net | |
| Spam Eating Monkey - bl.spameatingmonkey.net | |
| Barracuda Reputation Block List (BRBL) - b.barracudacentral.org | |
| WPBL (Weighted Private Block List) - db.wpbl.info | |
| Passive Spam Block List - psbl.surriel.com | |
| GBUdb.com - truncate.gbudb.net | |
| JustSpam.org - dnsbl.justspam.org | |
| Sender Score.org - bl.score.senderscore.com | |
| SpamRATS - all.spamrats.com | |
| LashBack UBL - ubl.unsubscore.com | |
| Hostkarma Junkemailfilter - hostkarma.junkemailfilter.com | |
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