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 00_NEEDS_RECHECK
 228         https://antispam.imp.ch/
 229                 no usage policy
 230                 no return code info
 231                 no good listing policy
 232                 information received from inquiry to provider
 233                         website will be updated
 234                         return codes
 235                                 dnsrbl.swinog.ch and uribl.swinog.ch (holding time increases with hits)
 236                                         127.0.1.8 = default
 237                                         127.0.0.10 => TRAP (Email sent to a spamtrap)
 238                                         127.0.0.11 => REPO (Email reported as Spam by customer)
 239                                 spamrbl.imp.ch (3 days holding time)
 240                                         IPs are listed when trying to send mail to the spamtrap mailserver
 241                                         MD5 hash: attachment sent to the swinog blacklist
 242                                 wormrbl.imp.ch
 243                                         DEAD
 244         http://blacklist.woody.ch/rblcheck.php3
 245                 dead?
 246                 waiting for feedback
 247         http://dnsbl.iip.lu/
 248                 https://docs.hetrixtools.com/lookup-dnsbl-iip-lu-false-positive-removed/
 249                         in 2016: lookup.dnsbl.iip.lu blacklist started issuing false positive responses and upon further investigation looks to be abandoned/dead.
 250                 https://www.blalert.com/dnsbl/lookup.dnsbl.iip.lu
 251                         This blacklist is marked as "shut down" and non-operational as of 2017-12-31.
 252         http://dnsbl.inps.de/
 253                 timeout
 254                 https://www.dnsbl.com/search/label/dnsbl.inps.de
 255                         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.
 256                 https://docs.hetrixtools.com/dnsbl-inps-de-removed-from-our-system/
 257                         [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.
 258                 https://glockapps.com/blacklist/dnsbl-inps-de/
 259                         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.
 260                 https://www.dnsbl.info/dnsbl-details.php?dnsbl=dnsbl.inps.de
 261                         This blacklist is offline as of May 1, 2020.
 262                 https://web.archive.org/web/20220428013500/http://www.inps.de/
 263 00_NEEDS_RESEARCH
 264         bl.tiopan.com
 265         blocked.hilli.dk
 266         dialups.visi.com
 267         dnsbl.antispam.or.id
 268         dob.sibl.support-intelligence.net
 269         intruders.docs.uu.se
 270         map.spam-rbl.com
 271         rbl.triumf.ca
 272         all.s5h.net
 273                 http://www.usenix.org.uk/content/rbl.html
 274         torexit.dan.me.uk
 275         http://pedantic.org/
 276                 as of 20140701
 277         rbl.fasthosts.co.uk
 278                 https://help.fasthosts.co.uk/app/answers/detail/a_id/140/kw/rbl
 279                 seems dead?
 280                 https://antispam.fasthosts.co.uk/
 281 00_ALIVE
 282         00_RECONSIDER
 283                 http://barracudacentral.org/rbl
 284                         requires account with extensive information (more than spamhaus e.g.):
 285                                 your name.
 286                                 your company name.
 287                                 your phone number.
 288                                 your address.
 289                                 your city name.
 290                                 your state/province name.
 291                                 your zip/postal code.
 292                                 the name of the alternate contact.
 293                                 the phone number of the alternate contact.
 294                                 the email address of the alternate contact.
 295                         seems well documented
 296         00_E_EVIL
 297                 sbl.nszones.com
 298                         http://www.spamhaus.org/organization/statement/008/fake-dnsbl-uncovered-nszones.com
 299                 http://www.backscatterer.org/
 300                         questionable policy - pay for (quicker) delisting
 301                         https://support.hornetsecurity.com/hc/en-us/articles/360011880797-Why-are-Hornetsecurity-IP-addresses-listed-at-Backscatterer-
 302                                 as of December 29, 2021: »The removal at the blacklist backscatterer.org can only be done for a fee«
 303                         https://www.warmy.io/blog/backscatterer-blacklist-how-to-remove-your-ip-from-it
 304                                 in March 17, 2023 does not mention need to pay
 305                         https://support.forcepoint.com/s/article/Forcepoint-IP-s-blocklisted-by-UCEProtect-and-Backscatterer-org
 306                                 recommend against using it
 307                         https://whatismyipaddress.com/backscatterer
 308                                 mentions strict delisting process and "express delisting" but nothing further
 309                         https://bobcares.com/blog/backscatterer-blacklist/
 310                                 goes through the process with screenshots showing express delisting for 109$
 311                         https://community.cisco.com/t5/email-security/issues-with-www-backscatterer-org-any-one/td-p/1298377
 312                                 more opinions
 313                         https://www.titanhq.com/blog/warning-ignore-pay-for-de-listing-blacklist-service/
 314                                 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«
 315                         https://web.archive.org/web/20150320180344/http://www.jvfconsulting.com/blog/130/Backscatterer_Network_Spam_List_Is_Another_UCEPROTECT_Extortion_Scam.html
 316                                 another opinion
 317         00_E_INFORMATION
 318                 blacklist.sci.kun.nl
 319                         https://cncz.science.ru.nl/en/howto/email-spam/
 320                         not really its own DNSBL?
 321                         no usage information
 322                         no usage policy
 323                 http://anonmails.de/
 324                         seems serious but missing necessary info
 325                                 usage policy
 326                                 listing policy
 327                 http://blacklist.jippg.org/
 328                         no usage policy
 329                         no listing policy
 330                         no return code info
 331                 bip.virusfree.cz
 332                         used by rspamd
 333                         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
 334                 https://www.nixspam.net/
 335                         previously http://www.dnsbl.manitu.net/
 336                         query zone: ix.dnsbl.manitu.net
 337                         provided by the reputable german publisher 'heise' which makes the high quality c’t, iX, and telepolis magacines
 338                         difficult to find info regarding listing policy
 339                         asked for more information to be added
 340                                 https://www.heise.de/forum/iX/Kommentare/Gemeinsam-stark/Nutzungsbedingungen-Return-Codes-sonstige-Infos/posting-42669177/show/
 341                 access.redhawk.org
 342                         website works but barely any info, not even how to query it
 343                         https://www.redhawk.org/?p=64
 344                         https://www.redhawk.org/SpamHawk/index.php
 345                 https://senderscore.org/
 346                         requires registration?
 347                         Scam? http://www.complaintsboard.com/complaints/buyer-beware-senderscoreorg-is-a-scam-c276871.html
 348                         https://senderscore.org/assess/blocklist-lookup/
 349                         FAQ: https://knowledge.validity.com/hc/en-us/articles/360006992592-Return-Path-Blocklist-RPBL-FAQ-
 350                         no information how to query found
 351                 mail-abuse.org
 352                         https://ers.trendmicro.com/
 353                         trendmicro paid service
 354                         https://docs.trendmicro.com/en-us/enterprise/email-reputation-services-online-help/getting-started_001/configuring-email-re/creating-an-account.aspx
 355                                 »If you don’t create an account, you can still query the reputation of an IP address«
 356                         I don’t find any pricing or usage information
 357                 http://dnsbl.tornevall.org/
 358                         https://www.tornevall.net/
 359                         related to https://www.fraudbl.org/
 360                         seems a bit unstructured and not very well documented
 361                                 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
 362                         seems active
 363                 http://rbl.schulte.org/
 364                         seems active
 365                         listing policy seems to be: they received spam from an IP
 366                         usage policy: Anyone can use this RBL list [sic]
 367                         return codes: probably boolean, i.e. either listed or not
 368                 http://relaytest.kundenserver.de/
 369                         by 1und1 (now ionos?), used internally
 370                         https://www.blalert.com/dnsbl/relays.bl.kundenserver.de
 371                         no usage policy found
 372                         no listing policy found
 373                         no return code explanation found
 374                 http://www.blockedservers.com/
 375                         no usage policy
 376                         no listing policy
 377                         no documentation
 378                         "funny":
 379                                 No rights given; all rights are in the dumpster; Copyleft 2012 - 3013 - page generated in 0.009843111038208 secs
 380                 https://choon.net/dnsbl.php
 381                         no usage policy or instructions
 382                         no listing policy
 383                         only automatic delisting after 30 days
 384         00_E_PAID
 385         00_E_PRIVATE
 386                 88.blacklist.zap
 387                         http://blogs.technet.com/b/fss/archive/2009/05/08/forefront-dnsbl-yeah-or-nay.aspx
 388                         https://web.archive.org/web/20150812003556/http://blogs.technet.com/b/fss/archive/2009/05/08/forefront-dnsbl-yeah-or-nay.aspx
 389                         https://www.blalert.com/dnsbl/88.blacklist.zap
 390                                 88.blacklist.zap is an internal blacklist maintained by Microsoft's Forefront
 391                         https://www.dnsbl.com/search/label/frontbridge
 392                 http://drmx.org/
 393                         »Use of any DrMX.ORG DNS Zone is by request and by contract only.«
 394                 rbl.tdk.net
 395                         tdk.net seems dead on http(s)
 396                         private
 397                                 https://www.blalert.com/dnsbl/rbl.tdk.net
 398                         old link: http://postmaster.tdc.dk/publish.php?id=31787
 399                                 tdc.dk redirects to yousee.dk
 400                                 https://web.archive.org/web/20170703084224/http://postmaster.tdc.dk/publish.php?id=31787
 401                 rbl.zenon.net
 402                         private
 403                                 https://www.blalert.com/dnsbl/rbl.zenon.net
 404                         http://www.noc.zenon.net/rbl/
 405                         russian(?)
 406                 https://ahbl.org/
 407                         was public until 2015
 408                         now private, invite-only
 409         http://rfc-clueless.org/
 410                 lists domains
 411                         that do not adhere to common best practices or requirements
 412                 does NOT list spammers!
 413                 listing criteria are explained well
 414                         http://rfc-clueless.org/pages/listing_policy
 415                 return codes are explained
 416                         http://rfc-clueless.org/
 417                 usage policy is not so clear but the FAQ implies that it’s just free to use for everyone
 418                 many timeouts
 419                         first noticed in 2014 and deactivated
 420                         retried in 2023 and still the case
 421         http://spameatingmonkey.com/
 422                 lists IPs
 423                         that sent backscatter
 424                         that sent to spamtrap
 425                         added by policy
 426                                 this includes dial-up!
 427                                 https://spameatingmonkey.com/faq/policy-based-listing
 428                 lists domains/URIs
 429                         by age
 430                         in spam bodies
 431                 usage policy seems clear
 432                         https://spameatingmonkey.com/faq/query-limits
 433                 listing policy seems clear
 434                         https://spameatingmonkey.com/services
 435                 return codes documented
 436                         https://spameatingmonkey.com/services
 437                 http://blogspambl.com/
 438                         redirects to spameatingmonkey.com
 439         http://uribl.com/
 440                 lists domains/URIs
 441                         that appear in spam bodies
 442                         has whitelist
 443                 lists IPs
 444                         that URIs in spam bodies resolve to
 445                 return codes are documented
 446                         https://uribl.com/about.shtml#implementation
 447                         bitmasked
 448                         127.0.0.1 is used to signal abusive query behaviour
 449         http://wiki.junkemailfilter.com/index.php/Spam_DNS_Lists
 450                 called "hostkarma"
 451                 lists domains/URIs
 452                 lists IPs
 453                 usage policy is relatively clear that it’s free, except maybe for big for-profit oranizations
 454                 listing policy is documented
 455                 return codes are documented
 456                 seems very trustworthy
 457         http://www.sorbs.net/
 458                 good reputation
 459                 lists domains/URIs
 460                 lists IPs
 461                 usage policy is clear that it’s free
 462                 listing policy is documented
 463                 return codes are documented
 464                 seems trustworthy
 465         http://www.spamhaus.org/
 466                 good reputation
 467                 very well done
 468                 seems very professional
 469                 lists domains/URIs
 470                 lists IPs
 471                 usage policy is clear
 472                         https://www.spamhaus.org/organization/dnsblusage/
 473                 listing policies are clearly documented
 474                 return codes are clearly documented
 475         http://www.surbl.org/
 476                 good reputation
 477                 lists domains/URIs
 478                 usage policy is clear
 479                         https://surbl.org/usage-policy
 480                 listing policy is documented
 481                 return codes are documented
 482                         bitmasked
 483                         127.0.0.1 means blocked
 484         http://zapbl.net/
 485                 lists domains/URIs
 486                 lists IPs
 487                 listing policy seems clear
 488                         https://zapbl.net/policy
 489                 usage policy seems clearly free for everyone
 490                         https://zapbl.net/using
 491                 return codes are documented
 492                 seems well done
 493         https://rbl.foobar.hu/
 494                 lists domains/URIs
 495                 lists IPs
 496                 listing policy seems clear
 497                 usage policy seems clearly free for everyone
 498                 return codes are documented
 499                 possibly unmaintained or dead
 500                         footer says: ©2013-14
 501         http://apews.org/?page=filter
 502                 questionable
 503                         https://www.dnsbl.com/search/label/apews
 504                         https://whatismyipaddress.com/apews
 505                 dead?
 506                         no news on http://apews-user.blogspot.com/ since 2014
 507                 not further looked into because of the above
 508         https://www.dnswl.org/
 509                 seems to be run with best intentions but has had issues from what I have heard from some users
 510                 IRC channel has some activity
 511                 usage policy relatively clear
 512                         free within certain limits
 513                 listing policy
 514                         self-service
 515                 return codes are documented
 516         00_E_FOCUS
 517                 https://www.dnsblchile.org/index.en.html
 518                         chilenian spam so not interesting for me
 519                         seems alive
 520         00_LISTS_BLOGSPAMMERS
 521                 https://www.madavi.de/madavibl/
 522                         »This blacklist should only be used to block comment spammer (on blogs and websites). Don’t use it for mail.«
 523                 http://bsb.empty.us/
 524                         does not exist anymore
 525                         empty.us returns »Nothing here, obviously.«
 526         00_LISTS_COUNTRIES
 527                 korea
 528                         http://korea.services.net/
 529         00_LISTS_DIALUPS
 530         00_LISTS_OPENRESOLVERS
 531         00_LISTS_TORNODES
 532                 https://www.dan.me.uk/dnsbl
 533                 http://rbl.efnetrbl.org/
 534                         aka http://tor.efnet.org/
 535                         lists IPs
 536                         lists open proxies, infected machines, tornodes, etc.
 537         https://0spam.org/
 538                 clear information on usage policy
 539                         Nothing. The 0Spam Project is absolutely free for email providers, IT professionals and general removal request.
 540                         DNSBL service and removals are 100% for free for all uses; commercial, non profit and personal.
 541                 seems serious
 542                 listing policies are a little less clear
 543                         bl.0spam.org DNSBL | 0spam Spam Trap Primary Database
 544                         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.
 545                         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.
 546                 return codes not very clear
 547         https://abuse.ro/
 548                 policy
 549                         spamtraps
 550                         The last IP address before destination in the email headers is listed into rbl.abuse.ro list.
 551                         Sender domains are analyzed and if confirmed to be not spoofed, are listed into dbl.abuse.ro list
 552                         Spamvertized domains (including those indirectly linked through services like bit.ly) are listed into uribl.abuse.ro list
 553         http://dronebl.org/
 554                 usage policy is clear: free for whatever
 555                 listing policy is not quite so clear
 556                         can be mostly inferred from the classes but not entirely clear IMHO
 557                 has an IRC channel
 558                 return codes
 559                         not explicitly mentioned but it’s 127.0.0.X where X is the class from https://dronebl.org/classes
 560         http://psbl.org/
 561                 query zone: psbl.surriel.com
 562                 no usage policy, but seems implied that usage is free
 563                 listing policy
 564                         no explicit, complete policy given but sending to spamtraps is mentioned to get you listed and seems the exclusive mechanism
 565                 return codes
 566                         not documented, probably only boolean
 567         http://rbldata.interserver.net/
 568                 listing policy more or less clear
 569                 usage policy not given but since usage is explained it’s probably free for all
 570                 return codes seem to be binary, i.e. either listed or not
 571                 lists IPs
 572                 lists domains/URIs
 573         http://rv-soft.info/
 574                 usage policy not explicit but seems to be free
 575                 listing policy also not explicit but can be inferred from return code explanation
 576                 return codes are explained
 577         http://spamrats.com/
 578                 clear usage policy (ToS)
 579                 listing policies documented
 580                 return codes of aggregated list documented
 581                 lists IPs
 582         http://v4bl.org/
 583                 usage policy documented
 584                 listing policy not really clear
 585                 return codes documented
 586         http://wpbl.info/
 587                 listing procedure is documented
 588                 usage policy implied: free to use
 589                 return codes documented
 590         http://www.aupads.org/
 591                 aka www.antispam-ufrj.pads.ufrj.br
 592                 aka www.orve.org
 593                 listing policy more or less clear
 594                 lists IPs and FQDNs
 595                 usage policy seems clear: freely exported by anybody who wants to use them«
 596         http://www.gbudb.com/truncate/
 597                 listing policy
 598                 usage policy seems implied: free use
 599                 return codes documented
 600                 »Truncate is very conservative. On most systems it can be safely used to reject connections!«
 601         http://www.justspam.org/
 602                 listing policy documented
 603                         warning: relies on listings in other DNSBLs! also for delisting!
 604                 usage policy clear
 605                 return codes: binary
 606         http://www.kempt.net/dnsbl/
 607                 listing policy documented
 608                 usage policy documented
 609                 return codes undocumented
 610         http://www.spamcop.net/
 611                 listing policy documented
 612                         The SCBL is aggressive and often errs on the side of blocking mail
 613                 usage policy is: free
 614                 good reputation
 615                 return codes documented
 616         http://www.spamsources.fabel.dk/
 617                 usage policy is: free
 618                 listing policy seems clear
 619                 lists IPs
 620         http://www.uceprotect.net/en/index.php
 621                 takes money for faster delisting
 622                 listing policy is documented
 623                 usage policy is documented: free
 624                 a lot of drama
 625                         https://www.heise.de/hintergrund/Spam-Golem-291396.html
 626                                 german
 627                                 also see comments
 628                         https://news.admin.net-abuse.email.narkive.com/boJTu7JC/claus-v-wolfhausen-harasement
 629                         https://www.linode.com/community/questions/2324/uceprotectnet-has-us-blacklisted
 630                         https://uceprotect.wtf/
 631                         https://www.aaroncake.net/misc/showthought.asp?thought=57
 632                         https://www.dnsbl.com/search/label/claus%20v.%20wolfhausen
 633                         https://wordtothewise.com/2018/06/another-day-another-dead-blacklist/
 634                         https://community.spiceworks.com/topic/2170592-uceprotect-blacklist-scam
 635                         http://kontech.net/uceprotect-blacklist-scheme-2020/
 636         http://www.whitelisted.org/
 637                 paid subscription
 638                 policy on site
 639                 related to uceprotect, see there
 640         https://www.abuse.ch/
 641                 https://www.abuse.ch/?tag=httpbl
 642         https://www.team-cymru.org/Services/Bogons/dns.html
 643                 good reputation
 644                 lists IPs
 645                 does not list spammers but bogons
 646                 clear listing policy
 647                 usage policy not quite clear ATM
 648                 return codes documented: binary
 649         http://mailspike.net/usage.html
 650                 reputation-based
 651         https://puck.nether.net/or/
 652                 policies on website
 653         http://www.isipp.com/email-accreditation/iadb-query-instruction/
 654                 requires signup
 655                 not quite a usage policy, but seems ok
 656                 strange split of ipv4 and ipv6
 657                 seems dead?