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?
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
+ 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
00_NEEDS_RECHECK
https://antispam.imp.ch/
no usage policy
seems a bit unstructured and not very well documented
I can’t be arsed to deal with confluence slowing my browser to a halt repeatedly and it’s really hard to navigate but there seems to be some information on https://docs.tornevall.net/display/TORNEVALL/Endpoint%3A+dnsbl+-+DNSBL+v5+with+API+v3
seems active
+ http://rbl.schulte.org/
+ seems active
+ 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
no explicit, complete policy given but sending to spamtraps is mentioned to get you listed and seems the exclusive mechanism
return codes
not documented, probably only boolean
- http://rbl.dns-servicios.com/rbl.php
- http://rbl.schulte.org/
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/
+ clear usage policy (ToS)
+ listing policies documented
+ return codes of aggregated list documented
+ lists IPs
http://tor.efnet.org/
http://rbl.efnetrbl.org/ MIRROR
http://v4bl.org/