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
00_NEEDS_RECHECK
https://antispam.imp.ch/
no usage policy
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://spamcannibal.org/dnsbl_check.shtml
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/