dnslists.otl

   1 TODO
   2         check and link (de)listing policy
   3                 NOGO: delisting for money
   4         check and link usage policy
   5         check and link return codes
   6         find newsfeed or mailinglist
   7         give feedback?
   8         implement in exim
   9         implement in SA
  10         implement in rspamd
  11 00_META
  12         https://bugs.launchpad.net/ubuntu/+source/amispammer/+bug/835614
  13         http://www.blalert.com/dnsbls
  14         http://www.dnsbl.info/dnsbl-list.php
  15         http://dnsbl.inps.de/index.cgi?lang=en&site=00002
  16         http://www.sdsc.edu/~jeff/spam/cbc.html
  17         http://moensted.dk/spam/
  18         https://whatismyipaddress.com/blacklist-check
  19         https://multirbl.valli.org/
  20         https://glockapps.com/blacklist/
  21         https://docs.hetrixtools.com/monitored-blacklists/
  22         https://www.blacklistmaster.com/
  23         https://knowledge.validity.com/hc/en-us/sections/204468388-Blocklists
  24         https://github.com/zbetcheckin/DNSBLs
  25         https://en.wikipedia.org/wiki/Comparison_of_DNS_blacklists
  26         https://www.impressionwise.com/kb/threats/rbl-advisories.html
  27 00_ELANG
  28         http://dnsbl.aspnet.hu/
  29                 hungarian?
  30         http://spam-rbl.fr/
  31                 french
  32         https://mav.com.br/
  33                 maybe? they have antispam but it’s all portugese? or spanish? no idea
  34 00_DEAD
  35         http://openrbl.org/
  36                 as seems dead
  37                         404s
  38                         wiki is down
  39         http://mailhosts.org/
  40                 dead
  41                         https://www.blalert.com/dnsbl/shortlist.mailhosts.org
  42         blitzed.org
  43                 dead since 2006
  44                         https://www.dnsbl.com/2007/02/status-of-opmblitzedorg-dead.html
  45                                 referenced ML post is 404
  46         blackholes.five-ten-sg.com
  47                 Offline as of 1/1/2013
  48                         https://whatismyipaddress.com/five-ten-sg
  49         dynip.rothen.com
  50                 On 9/29/2020 the ROTHEN blacklist appears to have started to list the entire internet
  51                         https://www.dnsbl.info/dnsbl-details.php?dnsbl=dynip.rothen.com
  52         fl.chickenboner.biz
  53                 dead since 2011
  54                         https://community.spiceworks.com/topic/329762-blacklist-removal
  55                         https://bugs.launchpad.net/ubuntu/+source/amispammer/+bug/835614
  56                 website contains spam/crap
  57         http://cart00ney.surriel.com/
  58                 cart00ney.org is dead
  59         http://dsbl.org/
  60                 points to surriel.com
  61         http://csma.biz/
  62                 domain is for sale
  63                 dead since 2013
  64                         https://www.dnsbl.com/2013/02/status-of-blcsmabiz-dead.html
  65         http://dnsbl.net.au/
  66                 website contains info about living in australia? called "AusBlog"
  67                 http://www.dnsbl.com/2009/04/status-of-dnsblnetau-dead.html
  68         http://moensted.dk/spam/
  69                 dead since 2010
  70                 https://moensted.dk/spam/
  71         http://rbl.mw-internet.net/
  72                 domain was parked
  73                 2023: it is an asian(?) gambling(?) website
  74         http://www.blackholes.us/
  75                 dead since 2009
  76                         https://www.dnsbl.com/2009/10/status-of-blackholesus-dead.html
  77         http://www.deadbeef.com/
  78                 dead, no info
  79         spamsources.dnsbl.info
  80                 dead since 2011 or so
  81                         http://www.dnsbl.info/spamsources-dnsbl-defunct.php
  82         http://www.gweep.ca/
  83                 domain dead, no other info
  84         http://www.njabl.org/
  85                 dead since 2013
  86                         https://en.wikipedia.org/wiki/Not_Just_Another_Bogus_List
  87         http://wytnij.to/
  88                 website parked, no other info
  89         https://www.transip.nl/
  90                 dead since 2013
  91                         https://www.blalert.com/dnsbl/proxy.block.transip.nl
  92                         https://www.blalert.com/dnsbl/residential.block.transip.nl
  93         pss.spambusters.org.ar
  94                 NXDOMAIN
  95         rbl.snark.net
  96                 NXDOMAIN
  97                 https://snark.net/ gives access denied
  98         whois.rfc-ignorant.org
  99                 NXDOMAIN
 100                 rfc-ignorant.org registered but no A/AAAA record
 101                 dead since 2012
 102                         http://www.h-online.com/security/news/item/RFC-Ignorant-org-blacklist-closes-down-1724814.html
 103                         https://www.dnsbl.com/2012/09/status-of-rfc-ignorantorg-shutting-down.html
 104         will-spam-for-food.eu.org
 105                 unmaintained
 106                 dead
 107                         https://rfc1149.net/blog/2012/01/22/who-did-resurrect-will-spam-for-food/
 108         http://proxybl.org/
 109                 dead, seemingly written on http://proxybl.org/blog but that’s also dead
 110                 https://linuxreviews.org/Mail_Spam_Blacklists
 111                 https://community.sophos.com/utm-firewall/f/web-server-security/50273/dnsbl-proxybl-org-offline
 112         dev.null.dk
 113                 timeout, also on the parent null.dk
 114                 effectively dead
 115         dnsbl.mags.net
 116                 seems dead, no info to be found
 117                 domain does not respond
 118         http://msrbl.blogspot.ch/
 119                 http://msrbl.blogspot.com/ says "no updates" since 2010 but supposed to be reactivated
 120                 effectively dead
 121         http://www.olsentech.net/
 122                 strange content on web
 123                 effectively dead
 124         rbl.orbitrbl.com
 125                 http://www.orbitrbl.com/
 126                 timeout
 127         rbl.polarcomm.net
 128                 NXDOMAIN
 129                 registered but no A/AAAA record
 130         cidr.bl.mcafee.com
 131                 https://kc.mcafee.com/corporate/index?page=content&id=KB53783
 132                         404
 133                 no info to be found
 134                 dead?
 135         http://anti-spam.org.cn/?locale=en_US
 136                 unreachable DNS
 137         rbl.talkactive.net
 138                 seems dead
 139                 talkactive.net redirects twice to some hosting company
 140                 last listings in 2017
 141                         https://multirbl.valli.org/detail/rbl.talkactive.net.html
 142                         https://www.blacklistmaster.com/blacklists?view=details&blacklist=rbl.talkactive.net
 143         dnsbl.ipocalypse.net
 144                 no policies published
 145                 dead
 146                         was a private list of an irc network
 147                         network was renamed idlechat.net in 2014
 148                         became a discord chat in 2022(?)
 149         http://blakjak.net/RBL
 150                 external access disabled
 151                 2023: seems dead, website is a weird error
 152                 https://www.blalert.com/dnsbl/rbl.blakjak.net
 153                         This is a private list that we do not monitor as the maintainer has explicity announced that the list is for his personal use
 154         http://cyberlogic.net/
 155                 french (canada)
 156                 https://www.dnsbl.info/dnsbl-details.php?dnsbl=dnsbl.cyberlogic.net
 157                         On or about 5/21/2018 the cyberlogic DNSBL ceased functioning properly.
 158                 https://www.dnsbl.com/2018/05/
 159                         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
 160         http://www.rbl.jp/allrbl-e.html
 161                 website asks for login or just errors
 162         http://www.spamhauswhitelist.com/en/
 163                 looks like a parked domain with ads
 164         http://stopspam.org/rblcheck/index.php
 165                 aka dul.pacifier.net
 166                 http://www.stopspam.org/rbl-info/
 167                         stopped in 2013
 168         http://countries.nerd.dk/
 169                 unable to connect, also for nerd.dk
 170         http://dul.ru/dul.en.html
 171                 DEAD for sale
 172         http://dns.measurement-factory.com/surveys/openresolvers.html
 173                 dead
 174                         »The following text describes past open DNS resolver surveys and an associated DNS lookup service that has been long shut down«
 175         http://www.sectoor.de/tor.php
 176                 timeouts
 177         http://anticaptcha.net/
 178                 for sale
 179         http://blacklist.lashback.com/
 180                 query zone: ubl.unsubscore.com
 181                 provider’s website https://lashback.com/ seems alive and active (news entries from 2023) but does not link to the blacklist
 182                 rsync URLs seem dead, so does the download url
 183         http://blacklist.woody.ch/
 184                 no entries in the displayed "top 100"
 185                 may have been absorbed into the swinog blacklists, see antispam.imp.ch
 186         http://cbl.abuseat.org/
 187                 https://www.abuseat.org/
 188                         changes to the CBL that occured in January 2021. In short, the CBL infrastructure was replaced by the Spamhaus XBL structure
 189         http://dnsbl.burnt-tech.com/
 190                 domain is for sale
 191         http://rbl.dns-servicios.com/rbl.php
 192                 website can not be found
 193         http://spamcannibal.org/
 194                 dead, as of at least 2018
 195         http://st.technovision.dk/
 196                 https://docs.hetrixtools.com/st-technovision-dk-inactive-removed/
 197                         [December 8, 2021] This RBL has stopped responding to DNS queries.
 198         http://spamstinks.com/
 199                 cert is for generic hostname
 200                 website shows some login form
 201         http://virbl.bit.nl/
 202                 https://www.rollernet.us/2017/01/shutdown-of-virbl-dnsbl-bit-nl/
 203                         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.«
 204         http://www.blocklist.de/en/index.html
 205                 lots of timeouts as of 2023
 206                 forum link is dead, among others
 207                 seems unmaintained but alive
 208                 latest news is from 2016
 209                 latest blog entry from 2022
 210                         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.
 211         http://www.emailbasura.org/cgi-bin/emailbasura-ini.pl?lang=eng
 212                 placeholder/parked?
 213         http://www.leadmon.net/spamguard/
 214                 website times out
 215         http://www.srntools.com/blacklist/
 216                 redirects to comodo.com subdomain where I can’t find any information about a DNSBL
 217         https://bl.konstant.no/
 218                 https://docs.hetrixtools.com/bl-konstant-no-unresponsive-removed/
 219                         [July 29, 2022] This RBL has become unresponsive, and we’ve removed it from our system until it returns to functioning normally again.
 220         https://www.megarbl.net/
 221                 connection times out
 222                 https://www.blalert.com/dnsbl/rbl.megarbl.net
 223                         »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.«
 224         https://www.kisarbl.or.kr/
 225                 can’t find information about it
 226                 website redirects to https://spam.kisa.or.kr/ which gives a 404
 227         https://www.abuse.ch/
 228                 old, defunct link: https://www.abuse.ch/?tag=httpbl
 229                 does not seem to have a DNSBL (anymore)
 230                         might be incorporated into spamhaus?
 231                 does host other databases about threats
 232 00_NEEDS_RECHECK
 233         https://antispam.imp.ch/
 234                 no usage policy
 235                 no return code info
 236                 no good listing policy
 237                 information received from inquiry to provider
 238                         website will be updated
 239                         return codes
 240                                 dnsrbl.swinog.ch and uribl.swinog.ch (holding time increases with hits)
 241                                         127.0.1.8 = default
 242                                         127.0.0.10 => TRAP (Email sent to a spamtrap)
 243                                         127.0.0.11 => REPO (Email reported as Spam by customer)
 244                                 spamrbl.imp.ch (3 days holding time)
 245                                         IPs are listed when trying to send mail to the spamtrap mailserver
 246                                         MD5 hash: attachment sent to the swinog blacklist
 247                                 wormrbl.imp.ch
 248                                         DEAD
 249         http://blacklist.woody.ch/rblcheck.php3
 250                 dead?
 251                 waiting for feedback
 252         http://dnsbl.iip.lu/
 253                 https://docs.hetrixtools.com/lookup-dnsbl-iip-lu-false-positive-removed/
 254                         in 2016: lookup.dnsbl.iip.lu blacklist started issuing false positive responses and upon further investigation looks to be abandoned/dead.
 255                 https://www.blalert.com/dnsbl/lookup.dnsbl.iip.lu
 256                         This blacklist is marked as "shut down" and non-operational as of 2017-12-31.
 257         http://dnsbl.inps.de/
 258                 timeout
 259                 https://www.dnsbl.com/search/label/dnsbl.inps.de
 260                         Today, May 25, 2020, he has announced that it is shutting down, due to concerns around GDPR and personal challenges brought on by the coronavirus pandemic.
 261                 https://docs.hetrixtools.com/dnsbl-inps-de-removed-from-our-system/
 262                         [May 29,2018] IPv4 RBL dnsbl.inps.de has been removed from our system, as they have decided to discontinue the RBL project for the time being.
 263                 https://glockapps.com/blacklist/dnsbl-inps-de/
 264                         Today, May 25, 2020, he has announced that it is shutting down, due to concerns around GDPR and personal challenges brought on by the coronavirus pandemic.
 265                 https://www.dnsbl.info/dnsbl-details.php?dnsbl=dnsbl.inps.de
 266                         This blacklist is offline as of May 1, 2020.
 267                 https://web.archive.org/web/20220428013500/http://www.inps.de/
 268 00_NEEDS_RESEARCH
 269         bl.tiopan.com
 270         blocked.hilli.dk
 271         dialups.visi.com
 272         dnsbl.antispam.or.id
 273         dob.sibl.support-intelligence.net
 274         intruders.docs.uu.se
 275         map.spam-rbl.com
 276         rbl.triumf.ca
 277         all.s5h.net
 278                 http://www.usenix.org.uk/content/rbl.html
 279         torexit.dan.me.uk
 280         http://pedantic.org/
 281                 as of 20140701
 282         rbl.fasthosts.co.uk
 283                 https://help.fasthosts.co.uk/app/answers/detail/a_id/140/kw/rbl
 284                 seems dead?
 285                 https://antispam.fasthosts.co.uk/
 286 00_ALIVE
 287         00_RECONSIDER
 288                 http://barracudacentral.org/rbl
 289                         requires account with extensive information (more than spamhaus e.g.):
 290                                 your name.
 291                                 your company name.
 292                                 your phone number.
 293                                 your address.
 294                                 your city name.
 295                                 your state/province name.
 296                                 your zip/postal code.
 297                                 the name of the alternate contact.
 298                                 the phone number of the alternate contact.
 299                                 the email address of the alternate contact.
 300                         seems well documented
 301         00_E_EVIL
 302                 sbl.nszones.com
 303                         http://www.spamhaus.org/organization/statement/008/fake-dnsbl-uncovered-nszones.com
 304                 http://www.backscatterer.org/
 305                         questionable policy - pay for (quicker) delisting
 306                         https://support.hornetsecurity.com/hc/en-us/articles/360011880797-Why-are-Hornetsecurity-IP-addresses-listed-at-Backscatterer-
 307                                 as of December 29, 2021: »The removal at the blacklist backscatterer.org can only be done for a fee«
 308                         https://www.warmy.io/blog/backscatterer-blacklist-how-to-remove-your-ip-from-it
 309                                 in March 17, 2023 does not mention need to pay
 310                         https://support.forcepoint.com/s/article/Forcepoint-IP-s-blocklisted-by-UCEProtect-and-Backscatterer-org
 311                                 recommend against using it
 312                         https://whatismyipaddress.com/backscatterer
 313                                 mentions strict delisting process and "express delisting" but nothing further
 314                         https://bobcares.com/blog/backscatterer-blacklist/
 315                                 goes through the process with screenshots showing express delisting for 109$
 316                         https://community.cisco.com/t5/email-security/issues-with-www-backscatterer-org-any-one/td-p/1298377
 317                                 more opinions
 318                         https://www.titanhq.com/blog/warning-ignore-pay-for-de-listing-blacklist-service/
 319                                 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«
 320                         https://web.archive.org/web/20150320180344/http://www.jvfconsulting.com/blog/130/Backscatterer_Network_Spam_List_Is_Another_UCEPROTECT_Extortion_Scam.html
 321                                 another opinion
 322         00_E_INFORMATION
 323                 blacklist.sci.kun.nl
 324                         https://cncz.science.ru.nl/en/howto/email-spam/
 325                         not really its own DNSBL?
 326                         no usage information
 327                         no usage policy
 328                 http://anonmails.de/
 329                         seems serious but missing necessary info
 330                                 usage policy
 331                                 listing policy
 332                 http://blacklist.jippg.org/
 333                         no usage policy
 334                         no listing policy
 335                         no return code info
 336                 bip.virusfree.cz
 337                         used by rspamd
 338                         https://www.virusfree.cz/en/help is the only place I can find any official reference to this list at all but no policies or usage information
 339                 https://www.nixspam.net/
 340                         previously http://www.dnsbl.manitu.net/
 341                         query zone: ix.dnsbl.manitu.net
 342                         provided by the reputable german publisher 'heise' which makes the high quality c’t, iX, and telepolis magacines
 343                         difficult to find info regarding listing policy
 344                         asked for more information to be added
 345                                 https://www.heise.de/forum/iX/Kommentare/Gemeinsam-stark/Nutzungsbedingungen-Return-Codes-sonstige-Infos/posting-42669177/show/
 346                 access.redhawk.org
 347                         website works but barely any info, not even how to query it
 348                         https://www.redhawk.org/?p=64
 349                         https://www.redhawk.org/SpamHawk/index.php
 350                 https://senderscore.org/
 351                         requires registration?
 352                         Scam? http://www.complaintsboard.com/complaints/buyer-beware-senderscoreorg-is-a-scam-c276871.html
 353                         https://senderscore.org/assess/blocklist-lookup/
 354                         FAQ: https://knowledge.validity.com/hc/en-us/articles/360006992592-Return-Path-Blocklist-RPBL-FAQ-
 355                         no information how to query found
 356                 mail-abuse.org
 357                         https://ers.trendmicro.com/
 358                         trendmicro paid service
 359                         https://docs.trendmicro.com/en-us/enterprise/email-reputation-services-online-help/getting-started_001/configuring-email-re/creating-an-account.aspx
 360                                 »If you don’t create an account, you can still query the reputation of an IP address«
 361                         I don’t find any pricing or usage information
 362                 http://dnsbl.tornevall.org/
 363                         https://www.tornevall.net/
 364                         related to https://www.fraudbl.org/
 365                         seems a bit unstructured and not very well documented
 366                                 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
 367                         seems active
 368                 http://rbl.schulte.org/
 369                         seems active
 370                         listing policy seems to be: they received spam from an IP
 371                         usage policy: Anyone can use this RBL list [sic]
 372                         return codes: probably boolean, i.e. either listed or not
 373                 http://relaytest.kundenserver.de/
 374                         by 1und1 (now ionos?), used internally
 375                         https://www.blalert.com/dnsbl/relays.bl.kundenserver.de
 376                         no usage policy found
 377                         no listing policy found
 378                         no return code explanation found
 379                 http://www.blockedservers.com/
 380                         no usage policy
 381                         no listing policy
 382                         no documentation
 383                         "funny":
 384                                 No rights given; all rights are in the dumpster; Copyleft 2012 - 3013 - page generated in 0.009843111038208 secs
 385                 https://choon.net/dnsbl.php
 386                         no usage policy or instructions
 387                         no listing policy
 388                         only automatic delisting after 30 days
 389         00_E_PAID
 390         00_E_PRIVATE
 391                 88.blacklist.zap
 392                         http://blogs.technet.com/b/fss/archive/2009/05/08/forefront-dnsbl-yeah-or-nay.aspx
 393                         https://web.archive.org/web/20150812003556/http://blogs.technet.com/b/fss/archive/2009/05/08/forefront-dnsbl-yeah-or-nay.aspx
 394                         https://www.blalert.com/dnsbl/88.blacklist.zap
 395                                 88.blacklist.zap is an internal blacklist maintained by Microsoft's Forefront
 396                         https://www.dnsbl.com/search/label/frontbridge
 397                 http://drmx.org/
 398                         »Use of any DrMX.ORG DNS Zone is by request and by contract only.«
 399                 rbl.tdk.net
 400                         tdk.net seems dead on http(s)
 401                         private
 402                                 https://www.blalert.com/dnsbl/rbl.tdk.net
 403                         old link: http://postmaster.tdc.dk/publish.php?id=31787
 404                                 tdc.dk redirects to yousee.dk
 405                                 https://web.archive.org/web/20170703084224/http://postmaster.tdc.dk/publish.php?id=31787
 406                 rbl.zenon.net
 407                         private
 408                                 https://www.blalert.com/dnsbl/rbl.zenon.net
 409                         http://www.noc.zenon.net/rbl/
 410                         russian(?)
 411                 https://ahbl.org/
 412                         was public until 2015
 413                         now private, invite-only
 414         http://rfc-clueless.org/
 415                 lists domains
 416                         that do not adhere to common best practices or requirements
 417                 does NOT list spammers!
 418                 listing criteria are explained well
 419                         http://rfc-clueless.org/pages/listing_policy
 420                 return codes are explained
 421                         http://rfc-clueless.org/
 422                 usage policy is not so clear but the FAQ implies that it’s just free to use for everyone
 423                 many timeouts
 424                         first noticed in 2014 and deactivated
 425                         retried in 2023 and still the case
 426         http://spameatingmonkey.com/
 427                 lists IPs
 428                         that sent backscatter
 429                         that sent to spamtrap
 430                         added by policy
 431                                 this includes dial-up!
 432                                 https://spameatingmonkey.com/faq/policy-based-listing
 433                 lists domains/URIs
 434                         by age
 435                         in spam bodies
 436                 usage policy seems clear
 437                         https://spameatingmonkey.com/faq/query-limits
 438                 listing policy seems clear
 439                         https://spameatingmonkey.com/services
 440                 return codes documented
 441                         https://spameatingmonkey.com/services
 442                 http://blogspambl.com/
 443                         redirects to spameatingmonkey.com
 444         http://uribl.com/
 445                 lists domains/URIs
 446                         that appear in spam bodies
 447                         has whitelist
 448                 lists IPs
 449                         that URIs in spam bodies resolve to
 450                 return codes are documented
 451                         https://uribl.com/about.shtml#implementation
 452                         bitmasked
 453                         127.0.0.1 is used to signal abusive query behaviour
 454         http://wiki.junkemailfilter.com/index.php/Spam_DNS_Lists
 455                 called "hostkarma"
 456                 lists domains/URIs
 457                 lists IPs
 458                 usage policy is relatively clear that it’s free, except maybe for big for-profit oranizations
 459                 listing policy is documented
 460                 return codes are documented
 461                 seems very trustworthy
 462         http://www.sorbs.net/
 463                 good reputation
 464                 lists domains/URIs
 465                 lists IPs
 466                 usage policy is clear that it’s free
 467                 listing policy is documented
 468                 return codes are documented
 469                 seems trustworthy
 470         http://www.spamhaus.org/
 471                 good reputation
 472                 very well done
 473                 seems very professional
 474                 lists domains/URIs
 475                 lists IPs
 476                 usage policy is clear
 477                         https://www.spamhaus.org/organization/dnsblusage/
 478                 listing policies are clearly documented
 479                 return codes are clearly documented
 480         http://www.surbl.org/
 481                 good reputation
 482                 lists domains/URIs
 483                 usage policy is clear
 484                         https://surbl.org/usage-policy
 485                 listing policy is documented
 486                 return codes are documented
 487                         bitmasked
 488                         127.0.0.1 means blocked
 489         http://zapbl.net/
 490                 lists domains/URIs
 491                 lists IPs
 492                 listing policy seems clear
 493                         https://zapbl.net/policy
 494                 usage policy seems clearly free for everyone
 495                         https://zapbl.net/using
 496                 return codes are documented
 497                 seems well done
 498         https://rbl.foobar.hu/
 499                 lists domains/URIs
 500                 lists IPs
 501                 listing policy seems clear
 502                 usage policy seems clearly free for everyone
 503                 return codes are documented
 504                 possibly unmaintained or dead
 505                         footer says: ©2013-14
 506         http://apews.org/?page=filter
 507                 questionable
 508                         https://www.dnsbl.com/search/label/apews
 509                         https://whatismyipaddress.com/apews
 510                 dead?
 511                         no news on http://apews-user.blogspot.com/ since 2014
 512                 not further looked into because of the above
 513         https://www.dnswl.org/
 514                 seems to be run with best intentions but has had issues from what I have heard from some users
 515                 IRC channel has some activity
 516                 usage policy relatively clear
 517                         free within certain limits
 518                 listing policy
 519                         self-service
 520                 return codes are documented
 521         00_E_FOCUS
 522                 https://www.dnsblchile.org/index.en.html
 523                         chilenian spam so not interesting for me
 524                         seems alive
 525         00_LISTS_BLOGSPAMMERS
 526                 https://www.madavi.de/madavibl/
 527                         »This blacklist should only be used to block comment spammer (on blogs and websites). Don’t use it for mail.«
 528                 http://bsb.empty.us/
 529                         does not exist anymore
 530                         empty.us returns »Nothing here, obviously.«
 531         00_LISTS_COUNTRIES
 532                 korea
 533                         http://korea.services.net/
 534         00_LISTS_DIALUPS
 535         00_LISTS_OPENRESOLVERS
 536         00_LISTS_TORNODES
 537                 https://www.dan.me.uk/dnsbl
 538                 http://rbl.efnetrbl.org/
 539                         aka http://tor.efnet.org/
 540                         lists IPs
 541                         lists open proxies, infected machines, tornodes, etc.
 542         https://0spam.org/
 543                 clear information on usage policy
 544                         Nothing. The 0Spam Project is absolutely free for email providers, IT professionals and general removal request.
 545                         DNSBL service and removals are 100% for free for all uses; commercial, non profit and personal.
 546                 seems serious
 547                 listing policies are a little less clear
 548                         bl.0spam.org DNSBL | 0spam Spam Trap Primary Database
 549                         nbl.0spam.org Network Black List | Spam Source Networks, high volume of spam trap hits in a Class C block will result in network listings in this DNSBL.
 550                         url.0spam.org URL Black List | This list contains the IP address of domains found to be in the source of spam emails found in our traps.
 551                 return codes not very clear
 552         https://abuse.ro/
 553                 policy
 554                         spamtraps
 555                         The last IP address before destination in the email headers is listed into rbl.abuse.ro list.
 556                         Sender domains are analyzed and if confirmed to be not spoofed, are listed into dbl.abuse.ro list
 557                         Spamvertized domains (including those indirectly linked through services like bit.ly) are listed into uribl.abuse.ro list
 558         http://dronebl.org/
 559                 usage policy is clear: free for whatever
 560                 listing policy is not quite so clear
 561                         can be mostly inferred from the classes but not entirely clear IMHO
 562                 has an IRC channel
 563                 return codes
 564                         not explicitly mentioned but it’s 127.0.0.X where X is the class from https://dronebl.org/classes
 565         http://psbl.org/
 566                 query zone: psbl.surriel.com
 567                 no usage policy, but seems implied that usage is free
 568                 listing policy
 569                         no explicit, complete policy given but sending to spamtraps is mentioned to get you listed and seems the exclusive mechanism
 570                 return codes
 571                         not documented, probably only boolean
 572         http://rbldata.interserver.net/
 573                 listing policy more or less clear
 574                 usage policy not given but since usage is explained it’s probably free for all
 575                 return codes seem to be binary, i.e. either listed or not
 576                 lists IPs
 577                 lists domains/URIs
 578         http://rv-soft.info/
 579                 usage policy not explicit but seems to be free
 580                 listing policy also not explicit but can be inferred from return code explanation
 581                 return codes are explained
 582         http://spamrats.com/
 583                 clear usage policy (ToS)
 584                 listing policies documented
 585                 return codes of aggregated list documented
 586                 lists IPs
 587         http://v4bl.org/
 588                 usage policy documented
 589                 listing policy not really clear
 590                 return codes documented
 591         http://wpbl.info/
 592                 listing procedure is documented
 593                 usage policy implied: free to use
 594                 return codes documented
 595         http://www.aupads.org/
 596                 aka www.antispam-ufrj.pads.ufrj.br
 597                 aka www.orve.org
 598                 listing policy more or less clear
 599                 lists IPs and FQDNs
 600                 usage policy seems clear: freely exported by anybody who wants to use them«
 601         http://www.gbudb.com/truncate/
 602                 listing policy
 603                 usage policy seems implied: free use
 604                 return codes documented
 605                 »Truncate is very conservative. On most systems it can be safely used to reject connections!«
 606         http://www.justspam.org/
 607                 listing policy documented
 608                         warning: relies on listings in other DNSBLs! also for delisting!
 609                 usage policy clear
 610                 return codes: binary
 611         http://www.kempt.net/dnsbl/
 612                 listing policy documented
 613                 usage policy documented
 614                 return codes undocumented
 615         http://www.spamcop.net/
 616                 listing policy documented
 617                         The SCBL is aggressive and often errs on the side of blocking mail
 618                 usage policy is: free
 619                 good reputation
 620                 return codes documented
 621         http://www.spamsources.fabel.dk/
 622                 usage policy is: free
 623                 listing policy seems clear
 624                 lists IPs
 625         http://www.uceprotect.net/en/index.php
 626                 takes money for faster delisting
 627                 listing policy is documented
 628                 usage policy is documented: free
 629                 a lot of drama
 630                         https://www.heise.de/hintergrund/Spam-Golem-291396.html
 631                                 german
 632                                 also see comments
 633                         https://news.admin.net-abuse.email.narkive.com/boJTu7JC/claus-v-wolfhausen-harasement
 634                         https://www.linode.com/community/questions/2324/uceprotectnet-has-us-blacklisted
 635                         https://uceprotect.wtf/
 636                         https://www.aaroncake.net/misc/showthought.asp?thought=57
 637                         https://www.dnsbl.com/search/label/claus%20v.%20wolfhausen
 638                         https://wordtothewise.com/2018/06/another-day-another-dead-blacklist/
 639                         https://community.spiceworks.com/topic/2170592-uceprotect-blacklist-scam
 640                         http://kontech.net/uceprotect-blacklist-scheme-2020/
 641         http://www.whitelisted.org/
 642                 paid subscription
 643                 policy on site
 644                 related to uceprotect, see there
 645         https://www.team-cymru.org/Services/Bogons/dns.html
 646                 good reputation
 647                 lists IPs
 648                 does not list spammers but bogons
 649                 clear listing policy
 650                 usage policy not quite clear ATM
 651                 return codes documented: binary
 652         http://mailspike.net/usage.html
 653                 reputation-based
 654         https://puck.nether.net/or/
 655                 policies on website
 656         http://www.isipp.com/email-accreditation/iadb-query-instruction/
 657                 requires signup
 658                 not quite a usage policy, but seems ok
 659                 strange split of ipv4 and ipv6
 660                 seems dead?