00_LISTS_OPENRESOLVERS
00_LISTS_TORNODES
https://www.dan.me.uk/dnsbl
+ http://rbl.efnetrbl.org/
+ aka http://tor.efnet.org/
+ lists IPs
+ lists open proxies, infected machines, tornodes, etc.
https://0spam.org/
clear information on usage policy
Nothing. The 0Spam Project is absolutely free for email providers, IT professionals and general removal request.
listing policy also not explicit but can be inferred from return code explanation
return codes are explained
http://spamrats.com/
- http://tor.efnet.org/
- http://rbl.efnetrbl.org/ MIRROR
+ clear usage policy (ToS)
+ listing policies documented
+ return codes of aggregated list documented
+ lists IPs
http://v4bl.org/
http://virbl.bit.nl/
http://wpbl.info/