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
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
not explicitly mentioned but it’s 127.0.0.X where X is the class from https://dronebl.org/classes
http://psbl.org/
query zone: psbl.surriel.com
- http://rbl.dns-servicios.com/rbl.php
- http://rbl.schulte.org/
+ no usage policy, but seems implied that usage is free
+ listing policy
+ 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://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
http://spamrats.com/
http://www.justspam.org/
http://www.kempt.net/dnsbl/
http://www.leadmon.net/spamguard/
- http://www.rbl.jp/allrbl-e.html
http://www.spamcop.net/
good policy
good reputation
sensible policy
http://www.srntools.com/blacklist/
http://www.uceprotect.net/en/index.php
- http://www.usenix.org.uk/content/rbl.html
- http://zapbl.net/
https://bl.konstant.no/
https://choon.net/rbl.php
- https://puck.nether.net/or/
- might be good
- https://rbl.foobar.hu/
https://www.abuse.ch/
https://www.abuse.ch/?tag=httpbl
https://www.kisarbl.or.kr/
https://www.team-cymru.org/Services/Bogons/dns.html
http://mailspike.net/usage.html
reputation-based
- http://www.spamhauswhitelist.com/en/
- policies for listing and usage on the website
http://www.whitelisted.org/
paid subscription
policy on site
https://puck.nether.net/or/
policies on website
- https://rbl.foobar.hu/
- usage and listing policies on website
http://www.isipp.com/email-accreditation/iadb-query-instruction/
requires signup
- https://choon.net/rbl.php
not quite a usage policy, but seems ok
strange split of ipv4 and ipv6
seems dead?
- https://www.dnswl.org/