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
+ 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+ January 23, 2017: »The Virbl-project site has been replaced by this static message to inform those that find their ways here.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?
+ http://www.leadmon.net/spamguard/
+ website times out
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
00_LISTS_OPENRESOLVERS
00_LISTS_TORNODES
https://www.dan.me.uk/dnsbl
+ http://rbl.efnetrbl.org/
+ aka http://tor.efnet.org/
+ lists IPs
+ lists open proxies, infected machines, tornodes, etc.
https://0spam.org/
clear information on usage policy
Nothing. The 0Spam Project is absolutely free for email providers, IT professionals and general removal request.
listing policy also not explicit but can be inferred from return code explanation
return codes are explained
http://spamrats.com/
- http://spamstinks.com/
- http://st.technovision.dk/
- http://tor.efnet.org/
- http://rbl.efnetrbl.org/ MIRROR
+ clear usage policy (ToS)
+ listing policies documented
+ return codes of aggregated list documented
+ lists IPs
http://v4bl.org/
- http://virbl.bit.nl/
+ usage policy documented
+ 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/
+ listing policy
+ usage policy seems implied: free use
+ return codes documented
+ »Truncate is very conservative. On most systems it can be safely used to reject connections!«
http://www.justspam.org/
+ listing policy documented
+ warning: relies on listings in other DNSBLs! also for delisting!
+ usage policy clear
+ return codes: binary
http://www.kempt.net/dnsbl/
- http://www.leadmon.net/spamguard/
+ listing policy documented
+ usage policy documented
+ return codes undocumented
http://www.spamcop.net/
good policy
good reputation