timeouts
http://anticaptcha.net/
for sale
+ http://blacklist.lashback.com/
+ query zone: ubl.unsubscore.com
+ provider’s website https://lashback.com/ seems alive and active (news entries from 2023) but does not link to the blacklist
+ rsync URLs seem dead, so does the download url
+ http://blacklist.woody.ch/
+ no entries in the displayed "top 100"
+ may have been absorbed into the swinog blacklists, see antispam.imp.ch
+ http://cbl.abuseat.org/
+ https://www.abuseat.org/
+ changes to the CBL that occured in January 2021. In short, the CBL infrastructure was replaced by the Spamhaus XBL structure
+ http://dnsbl.burnt-tech.com/
+ domain is for sale
00_NEEDS_RECHECK
https://antispam.imp.ch/
no usage policy
nbl.0spam.org Network Black List | Spam Source Networks, high volume of spam trap hits in a Class C block will result in network listings in this DNSBL.
url.0spam.org URL Black List | This list contains the IP address of domains found to be in the source of spam emails found in our traps.
return codes not very clear
- http://blacklist.lashback.com/
- http://ubl.unsubscore.com
- http://blacklist.woody.ch/rblcheck.php3
- http://cbl.abuseat.org/
- http://dnsbl.burnt-tech.com/
http://dnsbl.iip.lu/
http://dnsbl.inps.de/
http://dnsbl.tornevall.org/