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 00_NEEDS_RECHECK
 216         https://antispam.imp.ch/
 217                 no usage policy
 218                 no return code info
 219                 no good listing policy
 220                 information received from inquiry to provider
 221                         website will be updated
 222                         return codes
 223                                 dnsrbl.swinog.ch and uribl.swinog.ch (holding time increases with hits)
 224                                         127.0.1.8 = default
 225                                         127.0.0.10 => TRAP (Email sent to a spamtrap)
 226                                         127.0.0.11 => REPO (Email reported as Spam by customer)
 227                                 spamrbl.imp.ch (3 days holding time)
 228                                         IPs are listed when trying to send mail to the spamtrap mailserver
 229                                         MD5 hash: attachment sent to the swinog blacklist
 230                                 wormrbl.imp.ch
 231                                         DEAD
 232         http://blacklist.woody.ch/rblcheck.php3
 233                 dead?
 234                 waiting for feedback
 235         http://dnsbl.iip.lu/
 236                 https://docs.hetrixtools.com/lookup-dnsbl-iip-lu-false-positive-removed/
 237                         in 2016: lookup.dnsbl.iip.lu blacklist started issuing false positive responses and upon further investigation looks to be abandoned/dead.
 238                 https://www.blalert.com/dnsbl/lookup.dnsbl.iip.lu
 239                         This blacklist is marked as "shut down" and non-operational as of 2017-12-31.
 240         http://dnsbl.inps.de/
 241                 timeout
 242                 https://www.dnsbl.com/search/label/dnsbl.inps.de
 243                         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.
 244                 https://docs.hetrixtools.com/dnsbl-inps-de-removed-from-our-system/
 245                         [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.
 246                 https://glockapps.com/blacklist/dnsbl-inps-de/
 247                         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.
 248                 https://www.dnsbl.info/dnsbl-details.php?dnsbl=dnsbl.inps.de
 249                         This blacklist is offline as of May 1, 2020.
 250                 https://web.archive.org/web/20220428013500/http://www.inps.de/
 251 00_NEEDS_RESEARCH
 252         bl.tiopan.com
 253         blocked.hilli.dk
 254         dialups.visi.com
 255         dnsbl.antispam.or.id
 256         dob.sibl.support-intelligence.net
 257         intruders.docs.uu.se
 258         map.spam-rbl.com
 259         rbl.triumf.ca
 260         all.s5h.net
 261                 http://www.usenix.org.uk/content/rbl.html
 262         torexit.dan.me.uk
 263         http://pedantic.org/
 264                 as of 20140701
 265         rbl.fasthosts.co.uk
 266                 https://help.fasthosts.co.uk/app/answers/detail/a_id/140/kw/rbl
 267                 seems dead?
 268                 https://antispam.fasthosts.co.uk/
 269 00_ALIVE
 270         00_RECONSIDER
 271                 http://barracudacentral.org/rbl
 272                         requires account with extensive information (more than spamhaus e.g.):
 273                                 your name.
 274                                 your company name.
 275                                 your phone number.
 276                                 your address.
 277                                 your city name.
 278                                 your state/province name.
 279                                 your zip/postal code.
 280                                 the name of the alternate contact.
 281                                 the phone number of the alternate contact.
 282                                 the email address of the alternate contact.
 283                         seems well documented
 284         00_E_EVIL
 285                 sbl.nszones.com
 286                         http://www.spamhaus.org/organization/statement/008/fake-dnsbl-uncovered-nszones.com
 287                 http://www.backscatterer.org/
 288                         questionable policy - pay for (quicker) delisting
 289                         https://support.hornetsecurity.com/hc/en-us/articles/360011880797-Why-are-Hornetsecurity-IP-addresses-listed-at-Backscatterer-
 290                                 as of December 29, 2021: »The removal at the blacklist backscatterer.org can only be done for a fee«
 291                         https://www.warmy.io/blog/backscatterer-blacklist-how-to-remove-your-ip-from-it
 292                                 in March 17, 2023 does not mention need to pay
 293                         https://support.forcepoint.com/s/article/Forcepoint-IP-s-blocklisted-by-UCEProtect-and-Backscatterer-org
 294                                 recommend against using it
 295                         https://whatismyipaddress.com/backscatterer
 296                                 mentions strict delisting process and "express delisting" but nothing further
 297                         https://bobcares.com/blog/backscatterer-blacklist/
 298                                 goes through the process with screenshots showing express delisting for 109$
 299                         https://community.cisco.com/t5/email-security/issues-with-www-backscatterer-org-any-one/td-p/1298377
 300                                 more opinions
 301                         https://www.titanhq.com/blog/warning-ignore-pay-for-de-listing-blacklist-service/
 302                                 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«
 303                         https://web.archive.org/web/20150320180344/http://www.jvfconsulting.com/blog/130/Backscatterer_Network_Spam_List_Is_Another_UCEPROTECT_Extortion_Scam.html
 304                                 another opinion
 305         00_E_INFORMATION
 306                 blacklist.sci.kun.nl
 307                         https://cncz.science.ru.nl/en/howto/email-spam/
 308                         not really its own DNSBL?
 309                         no usage information
 310                         no usage policy
 311                 http://anonmails.de/
 312                         seems serious but missing necessary info
 313                                 usage policy
 314                                 listing policy
 315                 http://blacklist.jippg.org/
 316                         no usage policy
 317                         no listing policy
 318                         no return code info
 319                 bip.virusfree.cz
 320                         used by rspamd
 321                         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
 322                 https://www.nixspam.net/
 323                         previously http://www.dnsbl.manitu.net/
 324                         query zone: ix.dnsbl.manitu.net
 325                         provided by the reputable german publisher 'heise' which makes the high quality c’t, iX, and telepolis magacines
 326                         difficult to find info regarding listing policy
 327                         asked for more information to be added
 328                                 https://www.heise.de/forum/iX/Kommentare/Gemeinsam-stark/Nutzungsbedingungen-Return-Codes-sonstige-Infos/posting-42669177/show/
 329                 access.redhawk.org
 330                         website works but barely any info, not even how to query it
 331                         https://www.redhawk.org/?p=64
 332                         https://www.redhawk.org/SpamHawk/index.php
 333                 https://senderscore.org/
 334                         requires registration?
 335                         Scam? http://www.complaintsboard.com/complaints/buyer-beware-senderscoreorg-is-a-scam-c276871.html
 336                         https://senderscore.org/assess/blocklist-lookup/
 337                         FAQ: https://knowledge.validity.com/hc/en-us/articles/360006992592-Return-Path-Blocklist-RPBL-FAQ-
 338                         no information how to query found
 339                 mail-abuse.org
 340                         https://ers.trendmicro.com/
 341                         trendmicro paid service
 342                         https://docs.trendmicro.com/en-us/enterprise/email-reputation-services-online-help/getting-started_001/configuring-email-re/creating-an-account.aspx
 343                                 »If you don’t create an account, you can still query the reputation of an IP address«
 344                         I don’t find any pricing or usage information
 345                 http://dnsbl.tornevall.org/
 346                         https://www.tornevall.net/
 347                         related to https://www.fraudbl.org/
 348                         seems a bit unstructured and not very well documented
 349                                 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
 350                         seems active
 351                 http://rbl.schulte.org/
 352                         seems active
 353                         listing policy seems to be: they received spam from an IP
 354                         usage policy: Anyone can use this RBL list [sic]
 355                         return codes: probably boolean, i.e. either listed or not
 356                 http://relaytest.kundenserver.de/
 357                         by 1und1 (now ionos?), used internally
 358                         https://www.blalert.com/dnsbl/relays.bl.kundenserver.de
 359                         no usage policy found
 360                         no listing policy found
 361                         no return code explanation found
 362                 http://www.blockedservers.com/
 363                         no usage policy
 364                         no listing policy
 365                         no documentation
 366                         "funny":
 367                                 No rights given; all rights are in the dumpster; Copyleft 2012 - 3013 - page generated in 0.009843111038208 secs
 368         00_E_PAID
 369         00_E_PRIVATE
 370                 88.blacklist.zap
 371                         http://blogs.technet.com/b/fss/archive/2009/05/08/forefront-dnsbl-yeah-or-nay.aspx
 372                         https://web.archive.org/web/20150812003556/http://blogs.technet.com/b/fss/archive/2009/05/08/forefront-dnsbl-yeah-or-nay.aspx
 373                         https://www.blalert.com/dnsbl/88.blacklist.zap
 374                                 88.blacklist.zap is an internal blacklist maintained by Microsoft's Forefront
 375                         https://www.dnsbl.com/search/label/frontbridge
 376                 http://drmx.org/
 377                         »Use of any DrMX.ORG DNS Zone is by request and by contract only.«
 378                 rbl.tdk.net
 379                         tdk.net seems dead on http(s)
 380                         private
 381                                 https://www.blalert.com/dnsbl/rbl.tdk.net
 382                         old link: http://postmaster.tdc.dk/publish.php?id=31787
 383                                 tdc.dk redirects to yousee.dk
 384                                 https://web.archive.org/web/20170703084224/http://postmaster.tdc.dk/publish.php?id=31787
 385                 rbl.zenon.net
 386                         private
 387                                 https://www.blalert.com/dnsbl/rbl.zenon.net
 388                         http://www.noc.zenon.net/rbl/
 389                         russian(?)
 390                 https://ahbl.org/
 391                         was public until 2015
 392                         now private, invite-only
 393         http://rfc-clueless.org/
 394                 lists domains
 395                         that do not adhere to common best practices or requirements
 396                 does NOT list spammers!
 397                 listing criteria are explained well
 398                         http://rfc-clueless.org/pages/listing_policy
 399                 return codes are explained
 400                         http://rfc-clueless.org/
 401                 usage policy is not so clear but the FAQ implies that it’s just free to use for everyone
 402                 many timeouts
 403                         first noticed in 2014 and deactivated
 404                         retried in 2023 and still the case
 405         http://spameatingmonkey.com/
 406                 lists IPs
 407                         that sent backscatter
 408                         that sent to spamtrap
 409                         added by policy
 410                                 this includes dial-up!
 411                                 https://spameatingmonkey.com/faq/policy-based-listing
 412                 lists domains/URIs
 413                         by age
 414                         in spam bodies
 415                 usage policy seems clear
 416                         https://spameatingmonkey.com/faq/query-limits
 417                 listing policy seems clear
 418                         https://spameatingmonkey.com/services
 419                 return codes documented
 420                         https://spameatingmonkey.com/services
 421                 http://blogspambl.com/
 422                         redirects to spameatingmonkey.com
 423         http://uribl.com/
 424                 lists domains/URIs
 425                         that appear in spam bodies
 426                         has whitelist
 427                 lists IPs
 428                         that URIs in spam bodies resolve to
 429                 return codes are documented
 430                         https://uribl.com/about.shtml#implementation
 431                         bitmasked
 432                         127.0.0.1 is used to signal abusive query behaviour
 433         http://wiki.junkemailfilter.com/index.php/Spam_DNS_Lists
 434                 called "hostkarma"
 435                 lists domains/URIs
 436                 lists IPs
 437                 usage policy is relatively clear that it’s free, except maybe for big for-profit oranizations
 438                 listing policy is documented
 439                 return codes are documented
 440                 seems very trustworthy
 441         http://www.sorbs.net/
 442                 good reputation
 443                 lists domains/URIs
 444                 lists IPs
 445                 usage policy is clear that it’s free
 446                 listing policy is documented
 447                 return codes are documented
 448                 seems trustworthy
 449         http://www.spamhaus.org/
 450                 good reputation
 451                 very well done
 452                 seems very professional
 453                 lists domains/URIs
 454                 lists IPs
 455                 usage policy is clear
 456                         https://www.spamhaus.org/organization/dnsblusage/
 457                 listing policies are clearly documented
 458                 return codes are clearly documented
 459         http://www.surbl.org/
 460                 good reputation
 461                 lists domains/URIs
 462                 usage policy is clear
 463                         https://surbl.org/usage-policy
 464                 listing policy is documented
 465                 return codes are documented
 466                         bitmasked
 467                         127.0.0.1 means blocked
 468         http://zapbl.net/
 469                 lists domains/URIs
 470                 lists IPs
 471                 listing policy seems clear
 472                         https://zapbl.net/policy
 473                 usage policy seems clearly free for everyone
 474                         https://zapbl.net/using
 475                 return codes are documented
 476                 seems well done
 477         https://rbl.foobar.hu/
 478                 lists domains/URIs
 479                 lists IPs
 480                 listing policy seems clear
 481                 usage policy seems clearly free for everyone
 482                 return codes are documented
 483                 possibly unmaintained or dead
 484                         footer says: ©2013-14
 485         http://apews.org/?page=filter
 486                 questionable
 487                         https://www.dnsbl.com/search/label/apews
 488                         https://whatismyipaddress.com/apews
 489                 dead?
 490                         no news on http://apews-user.blogspot.com/ since 2014
 491                 not further looked into because of the above
 492         https://www.dnswl.org/
 493                 seems to be run with best intentions but has had issues from what I have heard from some users
 494                 IRC channel has some activity
 495                 usage policy relatively clear
 496                         free within certain limits
 497                 listing policy
 498                         self-service
 499                 return codes are documented
 500         00_E_FOCUS
 501                 https://www.dnsblchile.org/index.en.html
 502                         chilenian spam so not interesting for me
 503                         seems alive
 504         00_LISTS_BLOGSPAMMERS
 505                 https://www.madavi.de/madavibl/
 506                         »This blacklist should only be used to block comment spammer (on blogs and websites). Don’t use it for mail.«
 507                 http://bsb.empty.us/
 508                         does not exist anymore
 509                         empty.us returns »Nothing here, obviously.«
 510         00_LISTS_COUNTRIES
 511                 korea
 512                         http://korea.services.net/
 513         00_LISTS_DIALUPS
 514         00_LISTS_OPENRESOLVERS
 515         00_LISTS_TORNODES
 516                 https://www.dan.me.uk/dnsbl
 517                 http://rbl.efnetrbl.org/
 518                         aka http://tor.efnet.org/
 519                         lists IPs
 520                         lists open proxies, infected machines, tornodes, etc.
 521         https://0spam.org/
 522                 clear information on usage policy
 523                         Nothing. The 0Spam Project is absolutely free for email providers, IT professionals and general removal request.
 524                         DNSBL service and removals are 100% for free for all uses; commercial, non profit and personal.
 525                 seems serious
 526                 listing policies are a little less clear
 527                         bl.0spam.org DNSBL | 0spam Spam Trap Primary Database
 528                         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.
 529                         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.
 530                 return codes not very clear
 531         https://abuse.ro/
 532                 policy
 533                         spamtraps
 534                         The last IP address before destination in the email headers is listed into rbl.abuse.ro list.
 535                         Sender domains are analyzed and if confirmed to be not spoofed, are listed into dbl.abuse.ro list
 536                         Spamvertized domains (including those indirectly linked through services like bit.ly) are listed into uribl.abuse.ro list
 537         http://dronebl.org/
 538                 usage policy is clear: free for whatever
 539                 listing policy is not quite so clear
 540                         can be mostly inferred from the classes but not entirely clear IMHO
 541                 has an IRC channel
 542                 return codes
 543                         not explicitly mentioned but it’s 127.0.0.X where X is the class from https://dronebl.org/classes
 544         http://psbl.org/
 545                 query zone: psbl.surriel.com
 546                 no usage policy, but seems implied that usage is free
 547                 listing policy
 548                         no explicit, complete policy given but sending to spamtraps is mentioned to get you listed and seems the exclusive mechanism
 549                 return codes
 550                         not documented, probably only boolean
 551         http://rbldata.interserver.net/
 552                 listing policy more or less clear
 553                 usage policy not given but since usage is explained it’s probably free for all
 554                 return codes seem to be binary, i.e. either listed or not
 555                 lists IPs
 556                 lists domains/URIs
 557         http://rv-soft.info/
 558                 usage policy not explicit but seems to be free
 559                 listing policy also not explicit but can be inferred from return code explanation
 560                 return codes are explained
 561         http://spamrats.com/
 562                 clear usage policy (ToS)
 563                 listing policies documented
 564                 return codes of aggregated list documented
 565                 lists IPs
 566         http://v4bl.org/
 567                 usage policy documented
 568                 listing policy not really clear
 569                 return codes documented
 570         http://wpbl.info/
 571                 listing procedure is documented
 572                 usage policy implied: free to use
 573                 return codes documented
 574         http://www.aupads.org/
 575                 aka www.antispam-ufrj.pads.ufrj.br
 576                 aka www.orve.org
 577                 listing policy more or less clear
 578                 lists IPs and FQDNs
 579                 usage policy seems clear: freely exported by anybody who wants to use them«
 580         http://www.gbudb.com/truncate/
 581                 listing policy
 582                 usage policy seems implied: free use
 583                 return codes documented
 584                 »Truncate is very conservative. On most systems it can be safely used to reject connections!«
 585         http://www.justspam.org/
 586                 listing policy documented
 587                         warning: relies on listings in other DNSBLs! also for delisting!
 588                 usage policy clear
 589                 return codes: binary
 590         http://www.kempt.net/dnsbl/
 591                 listing policy documented
 592                 usage policy documented
 593                 return codes undocumented
 594         http://www.spamcop.net/
 595                 good policy
 596                 good reputation
 597         http://www.spamsources.fabel.dk/
 598                 sensible policy
 599         http://www.srntools.com/blacklist/
 600         http://www.uceprotect.net/en/index.php
 601         https://bl.konstant.no/
 602         https://choon.net/rbl.php
 603         https://www.abuse.ch/
 604                 https://www.abuse.ch/?tag=httpbl
 605         https://www.kisarbl.or.kr/
 606         https://www.megarbl.net/
 607         https://www.team-cymru.org/Services/Bogons/dns.html
 608         http://mailspike.net/usage.html
 609                 reputation-based
 610         http://www.whitelisted.org/
 611                 paid subscription
 612                 policy on site
 613         https://puck.nether.net/or/
 614                 policies on website
 615         http://www.isipp.com/email-accreditation/iadb-query-instruction/
 616                 requires signup
 617                 not quite a usage policy, but seems ok
 618                 strange split of ipv4 and ipv6
 619                 seems dead?