TODO
check and link (de)listing policy
NOGO: delisting for money
+ how long does automatic delisting take?
+ 7d is already quite long
+ anything >7d seems excessive and should probably not be used
check and link usage policy
check and link return codes
find newsfeed or mailinglist
https://bl.konstant.no/
https://docs.hetrixtools.com/bl-konstant-no-unresponsive-removed/
[July 29, 2022] This RBL has become unresponsive, and we’ve removed it from our system until it returns to functioning normally again.
+ https://www.megarbl.net/
+ connection times out
+ https://www.blalert.com/dnsbl/rbl.megarbl.net
+ »This blacklist is marked as inactive and is not being checked at the moment. We will be tracking it to see if it goes to normal again.«
+ https://www.kisarbl.or.kr/
+ can’t find information about it
+ website redirects to https://spam.kisa.or.kr/ which gives a 404
+ https://www.abuse.ch/
+ old, defunct link: https://www.abuse.ch/?tag=httpbl
+ does not seem to have a DNSBL (anymore)
+ might be incorporated into spamhaus?
+ does host other databases about threats
+ https://puck.nether.net/or/
+ website is dead
00_NEEDS_RECHECK
https://antispam.imp.ch/
no usage policy
https://www.spamhaus.org/organization/dnsblusage/
listing policies are clearly documented
return codes are clearly documented
+ history of grandeur and retaliation listings
+ https://www.heise.de/hintergrund/Spam-Golem-291396.html
http://www.surbl.org/
good reputation
lists domains/URIs
paid subscription
policy on site
related to uceprotect, see there
- https://www.abuse.ch/
- https://www.abuse.ch/?tag=httpbl
- https://www.kisarbl.or.kr/
- https://www.megarbl.net/
https://www.team-cymru.org/Services/Bogons/dns.html
+ good reputation
+ lists IPs
+ does not list spammers but bogons
+ clear listing policy
+ usage policy not quite clear ATM
+ return codes documented: binary
http://mailspike.net/usage.html
- reputation-based
- https://puck.nether.net/or/
- policies on website
- http://www.isipp.com/email-accreditation/iadb-query-instruction/
- requires signup
- not quite a usage policy, but seems ok
- strange split of ipv4 and ipv6
- seems dead?
+ lists IPs
+ response codes according to their reputation, both positive and negative
+ listing policy documented
+ usage policy documented
+ https://www.isipp.com/for-isps/iadb-query/
+ usage policy seems clear: It is free to query all of the IADB, IADB2, and WADB.
+ not quite a whitelist but closer to whitelist than blacklist
+ listing policy seems to be: get certified by them (for a fee) https://www.isipp.com/email-accreditation/faq/#pricing
+ response codes are documented