https://knowledge.validity.com/hc/en-us/sections/204468388-Blocklists
https://github.com/zbetcheckin/DNSBLs
https://en.wikipedia.org/wiki/Comparison_of_DNS_blacklists
+ https://www.impressionwise.com/kb/threats/rbl-advisories.html
00_ELANG
http://dnsbl.aspnet.hu/
hungarian?
domain is for sale
http://rbl.dns-servicios.com/rbl.php
website can not be found
+ http://spamcannibal.org/
+ dead, as of at least 2018
+ http://st.technovision.dk/
+ https://docs.hetrixtools.com/st-technovision-dk-inactive-removed/
+ [December 8, 2021] This RBL has stopped responding to DNS queries.
+ http://spamstinks.com/
+ cert is for generic hostname
+ website shows some login form
+ http://virbl.bit.nl/
+ https://www.rollernet.us/2017/01/shutdown-of-virbl-dnsbl-bit-nl/
+ January 23, 2017: »The Virbl-project site has been replaced by this static message to inform those that find their ways here. The Virbl DNSBL-zone was emptied and will be removed all together at a moment further on in the future.«
00_NEEDS_RECHECK
https://antispam.imp.ch/
no usage policy
listing policy seems to be: they received spam from an IP
usage policy: Anyone can use this RBL list [sic]
return codes: probably boolean, i.e. either listed or not
+ http://relaytest.kundenserver.de/
+ by 1und1 (now ionos?), used internally
+ https://www.blalert.com/dnsbl/relays.bl.kundenserver.de
+ no usage policy found
+ no listing policy found
+ no return code explanation found
00_E_PAID
00_E_PRIVATE
88.blacklist.zap
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.
return codes
not documented, probably only boolean
http://rbldata.interserver.net/
- may be dead: http://www.blalert.com/dnsbl/rbl.interserver.net
- http://relaytest.kundenserver.de/
+ listing policy more or less clear
+ usage policy not given but since usage is explained it’s probably free for all
+ return codes seem to be binary, i.e. either listed or not
+ lists IPs
+ lists domains/URIs
http://rv-soft.info/
- http://spamcannibal.org/dnsbl_check.shtml
+ usage policy not explicit but seems to be free
+ listing policy also not explicit but can be inferred from return code explanation
+ return codes are explained
http://spamrats.com/
- http://spamstinks.com/
- http://st.technovision.dk/
- 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/
+ usage policy documented
+ listing policy not really clear
+ return codes documented
http://wpbl.info/
http://www.aupads.org/
http://www.backscatterer.org/