As reported on the mailop mailing list on Friday May 25, 2018, the blocking list at dnsbl.cyberlogic.net now contains a "wildcard" DNS entry, effectively listing the entire internet
http://www.rbl.jp/allrbl-e.html
website asks for login or just errors
+ http://www.spamhauswhitelist.com/en/
+ looks like a parked domain with ads
+ http://stopspam.org/rblcheck/index.php
+ aka dul.pacifier.net
+ http://www.stopspam.org/rbl-info/
+ stopped in 2013
+ http://countries.nerd.dk/
+ unable to connect, also for nerd.dk
+ http://dul.ru/dul.en.html
+ DEAD for sale
+ http://dns.measurement-factory.com/surveys/openresolvers.html
+ dead
+ »The following text describes past open DNS resolver surveys and an associated DNS lookup service that has been long shut down«
+ http://www.sectoor.de/tor.php
+ timeouts
00_NEEDS_RECHECK
https://antispam.imp.ch/
no usage policy
return codes are explained
http://rfc-clueless.org/
usage policy is not so clear but the FAQ implies that it’s just free to use for everyone
+ many timeouts
+ first noticed in 2014 and deactivated
+ retried in 2023 and still the case
http://spameatingmonkey.com/
lists IPs
that sent backscatter
https://spameatingmonkey.com/services
return codes documented
https://spameatingmonkey.com/services
+ http://blogspambl.com/
+ redirects to spameatingmonkey.com
http://uribl.com/
lists domains/URIs
that appear in spam bodies
return codes are documented
seems well done
https://rbl.foobar.hu/
+ lists domains/URIs
+ lists IPs
+ listing policy seems clear
+ usage policy seems clearly free for everyone
+ return codes are documented
+ possibly unmaintained or dead
+ footer says: ©2013-14
http://apews.org/?page=filter
questionable
- http://www.spamhauswhitelist.com/en/
+ https://www.dnsbl.com/search/label/apews
+ https://whatismyipaddress.com/apews
+ dead?
+ no news on http://apews-user.blogspot.com/ since 2014
+ not further looked into because of the above
https://www.dnswl.org/
+ seems to be run with best intentions but has had issues from what I have heard from some users
+ IRC channel has some activity
+ usage policy relatively clear
+ free within certain limits
+ listing policy
+ self-service
+ return codes are documented
00_E_FOCUS
- http://stopspam.org/rblcheck/index.php
- different kinds of lists
- none usable for me
- http://www.dnsblchile.org/
- chilenian spam
+ https://www.dnsblchile.org/index.en.html
+ chilenian spam so not interesting for me
+ seems alive
00_LISTS_BLOGSPAMMERS
- http://blogspambl.com/
https://www.madavi.de/madavibl/
+ »This blacklist should only be used to block comment spammer (on blogs and websites). Don’t use it for mail.«
http://bsb.empty.us/
+ does not exist anymore
+ empty.us returns »Nothing here, obviously.«
00_LISTS_COUNTRIES
- http://countries.nerd.dk/
korea
http://korea.services.net/
00_LISTS_DIALUPS
- http://dul.ru/dul.en.html
- DEAD for sale
00_LISTS_OPENRESOLVERS
- http://dns.measurement-factory.com/surveys/openresolvers.html
00_LISTS_TORNODES
- http://www.sectoor.de/tor.php
https://www.dan.me.uk/dnsbl
https://0spam.org/
clear information on usage policy