dnslists.otl

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