http://virbl.bit.nl/
https://www.rollernet.us/2017/01/shutdown-of-virbl-dnsbl-bit-nl/
January 23, 2017: »The Virbl-project site has been replaced by this static message to inform those that find their ways here. The Virbl DNSBL-zone was emptied and will be removed all together at a moment further on in the future.«
+ http://www.blocklist.de/en/index.html
+ lots of timeouts as of 2023
+ forum link is dead, among others
+ seems unmaintained but alive
+ latest news is from 2016
+ latest blog entry from 2022
+ Abusix, a network security company for mail security and abuse report handling, takes over blocklist.de to integrate it within its Abusix platform to further improve its data quality.
+ http://www.emailbasura.org/cgi-bin/emailbasura-ini.pl?lang=eng
+ placeholder/parked?
00_NEEDS_RECHECK
https://antispam.imp.ch/
no usage policy
00_E_EVIL
sbl.nszones.com
http://www.spamhaus.org/organization/statement/008/fake-dnsbl-uncovered-nszones.com
+ http://www.backscatterer.org/
+ questionable policy - pay for (quicker) delisting
+ https://support.hornetsecurity.com/hc/en-us/articles/360011880797-Why-are-Hornetsecurity-IP-addresses-listed-at-Backscatterer-
+ as of December 29, 2021: »The removal at the blacklist backscatterer.org can only be done for a fee«
+ https://www.warmy.io/blog/backscatterer-blacklist-how-to-remove-your-ip-from-it
+ in March 17, 2023 does not mention need to pay
+ https://support.forcepoint.com/s/article/Forcepoint-IP-s-blocklisted-by-UCEProtect-and-Backscatterer-org
+ recommend against using it
+ https://whatismyipaddress.com/backscatterer
+ mentions strict delisting process and "express delisting" but nothing further
+ https://bobcares.com/blog/backscatterer-blacklist/
+ goes through the process with screenshots showing express delisting for 109$
+ https://community.cisco.com/t5/email-security/issues-with-www-backscatterer-org-any-one/td-p/1298377
+ more opinions
+ https://www.titanhq.com/blog/warning-ignore-pay-for-de-listing-blacklist-service/
+ Jan 17th, 2020: »UCEProtect also charges a delisting fee. TitanHQ discourages email administrators from using the UCEProtect blacklist and we do not recommend paying for list removal«
+ https://web.archive.org/web/20150320180344/http://www.jvfconsulting.com/blog/130/Backscatterer_Network_Spam_List_Is_Another_UCEPROTECT_Extortion_Scam.html
+ another opinion
00_E_INFORMATION
blacklist.sci.kun.nl
https://cncz.science.ru.nl/en/howto/email-spam/
no usage policy found
no listing policy found
no return code explanation found
+ http://www.blockedservers.com/
+ no usage policy
+ no listing policy
+ no documentation
+ "funny":
+ No rights given; all rights are in the dumpster; Copyleft 2012 - 3013 - page generated in 0.009843111038208 secs
00_E_PAID
00_E_PRIVATE
88.blacklist.zap
listing policy not really clear
return codes documented
http://wpbl.info/
+ listing procedure is documented
+ usage policy implied: free to use
+ return codes documented
http://www.aupads.org/
- http://www.backscatterer.org/
- fragwuerdige policy - bezahlen fuer schnelleres delisting
- http://www.blockedservers.com/
- http://www.blocklist.de/en/index.html
- http://www.emailbasura.org/cgi-bin/emailbasura-ini.pl?lang=eng
+ aka www.antispam-ufrj.pads.ufrj.br
+ aka www.orve.org
+ listing policy more or less clear
+ lists IPs and FQDNs
+ usage policy seems clear: freely exported by anybody who wants to use them«
http://www.gbudb.com/truncate/
http://www.justspam.org/
http://www.kempt.net/dnsbl/