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 00_NEEDS_RECHECK
 205         https://antispam.imp.ch/
 206                 no usage policy
 207                 no return code info
 208                 no good listing policy
 209                 information received from inquiry to provider
 210                         website will be updated
 211                         return codes
 212                                 dnsrbl.swinog.ch and uribl.swinog.ch (holding time increases with hits)
 213                                         127.0.1.8 = default
 214                                         127.0.0.10 => TRAP (Email sent to a spamtrap)
 215                                         127.0.0.11 => REPO (Email reported as Spam by customer)
 216                                 spamrbl.imp.ch (3 days holding time)
 217                                         IPs are listed when trying to send mail to the spamtrap mailserver
 218                                         MD5 hash: attachment sent to the swinog blacklist
 219                                 wormrbl.imp.ch
 220                                         DEAD
 221         http://blacklist.woody.ch/rblcheck.php3
 222                 dead?
 223                 waiting for feedback
 224         http://dnsbl.iip.lu/
 225                 https://docs.hetrixtools.com/lookup-dnsbl-iip-lu-false-positive-removed/
 226                         in 2016: lookup.dnsbl.iip.lu blacklist started issuing false positive responses and upon further investigation looks to be abandoned/dead.
 227                 https://www.blalert.com/dnsbl/lookup.dnsbl.iip.lu
 228                         This blacklist is marked as "shut down" and non-operational as of 2017-12-31.
 229         http://dnsbl.inps.de/
 230                 timeout
 231                 https://www.dnsbl.com/search/label/dnsbl.inps.de
 232                         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.
 233                 https://docs.hetrixtools.com/dnsbl-inps-de-removed-from-our-system/
 234                         [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.
 235                 https://glockapps.com/blacklist/dnsbl-inps-de/
 236                         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.
 237                 https://www.dnsbl.info/dnsbl-details.php?dnsbl=dnsbl.inps.de
 238                         This blacklist is offline as of May 1, 2020.
 239                 https://web.archive.org/web/20220428013500/http://www.inps.de/
 240 00_NEEDS_RESEARCH
 241         bl.tiopan.com
 242         blocked.hilli.dk
 243         dialups.visi.com
 244         dnsbl.antispam.or.id
 245         dob.sibl.support-intelligence.net
 246         intruders.docs.uu.se
 247         map.spam-rbl.com
 248         rbl.triumf.ca
 249         all.s5h.net
 250                 http://www.usenix.org.uk/content/rbl.html
 251         torexit.dan.me.uk
 252         http://pedantic.org/
 253                 as of 20140701
 254         rbl.fasthosts.co.uk
 255                 https://help.fasthosts.co.uk/app/answers/detail/a_id/140/kw/rbl
 256                 seems dead?
 257                 https://antispam.fasthosts.co.uk/
 258 00_ALIVE
 259         00_RECONSIDER
 260                 http://barracudacentral.org/rbl
 261                         requires account with extensive information (more than spamhaus e.g.):
 262                                 your name.
 263                                 your company name.
 264                                 your phone number.
 265                                 your address.
 266                                 your city name.
 267                                 your state/province name.
 268                                 your zip/postal code.
 269                                 the name of the alternate contact.
 270                                 the phone number of the alternate contact.
 271                                 the email address of the alternate contact.
 272                         seems well documented
 273         00_E_EVIL
 274                 sbl.nszones.com
 275                         http://www.spamhaus.org/organization/statement/008/fake-dnsbl-uncovered-nszones.com
 276                 http://www.backscatterer.org/
 277                         questionable policy - pay for (quicker) delisting
 278                         https://support.hornetsecurity.com/hc/en-us/articles/360011880797-Why-are-Hornetsecurity-IP-addresses-listed-at-Backscatterer-
 279                                 as of December 29, 2021: »The removal at the blacklist backscatterer.org can only be done for a fee«
 280                         https://www.warmy.io/blog/backscatterer-blacklist-how-to-remove-your-ip-from-it
 281                                 in March 17, 2023 does not mention need to pay
 282                         https://support.forcepoint.com/s/article/Forcepoint-IP-s-blocklisted-by-UCEProtect-and-Backscatterer-org
 283                                 recommend against using it
 284                         https://whatismyipaddress.com/backscatterer
 285                                 mentions strict delisting process and "express delisting" but nothing further
 286                         https://bobcares.com/blog/backscatterer-blacklist/
 287                                 goes through the process with screenshots showing express delisting for 109$
 288                         https://community.cisco.com/t5/email-security/issues-with-www-backscatterer-org-any-one/td-p/1298377
 289                                 more opinions
 290                         https://www.titanhq.com/blog/warning-ignore-pay-for-de-listing-blacklist-service/
 291                                 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«
 292                         https://web.archive.org/web/20150320180344/http://www.jvfconsulting.com/blog/130/Backscatterer_Network_Spam_List_Is_Another_UCEPROTECT_Extortion_Scam.html
 293                                 another opinion
 294         00_E_INFORMATION
 295                 blacklist.sci.kun.nl
 296                         https://cncz.science.ru.nl/en/howto/email-spam/
 297                         not really its own DNSBL?
 298                         no usage information
 299                         no usage policy
 300                 http://anonmails.de/
 301                         seems serious but missing necessary info
 302                                 usage policy
 303                                 listing policy
 304                 http://blacklist.jippg.org/
 305                         no usage policy
 306                         no listing policy
 307                         no return code info
 308                 bip.virusfree.cz
 309                         used by rspamd
 310                         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
 311                 https://www.nixspam.net/
 312                         previously http://www.dnsbl.manitu.net/
 313                         query zone: ix.dnsbl.manitu.net
 314                         provided by the reputable german publisher 'heise' which makes the high quality c’t, iX, and telepolis magacines
 315                         difficult to find info regarding listing policy
 316                         asked for more information to be added
 317                                 https://www.heise.de/forum/iX/Kommentare/Gemeinsam-stark/Nutzungsbedingungen-Return-Codes-sonstige-Infos/posting-42669177/show/
 318                 access.redhawk.org
 319                         website works but barely any info, not even how to query it
 320                         https://www.redhawk.org/?p=64
 321                         https://www.redhawk.org/SpamHawk/index.php
 322                 https://senderscore.org/
 323                         requires registration?
 324                         Scam? http://www.complaintsboard.com/complaints/buyer-beware-senderscoreorg-is-a-scam-c276871.html
 325                         https://senderscore.org/assess/blocklist-lookup/
 326                         FAQ: https://knowledge.validity.com/hc/en-us/articles/360006992592-Return-Path-Blocklist-RPBL-FAQ-
 327                         no information how to query found
 328                 mail-abuse.org
 329                         https://ers.trendmicro.com/
 330                         trendmicro paid service
 331                         https://docs.trendmicro.com/en-us/enterprise/email-reputation-services-online-help/getting-started_001/configuring-email-re/creating-an-account.aspx
 332                                 »If you don’t create an account, you can still query the reputation of an IP address«
 333                         I don’t find any pricing or usage information
 334                 http://dnsbl.tornevall.org/
 335                         https://www.tornevall.net/
 336                         related to https://www.fraudbl.org/
 337                         seems a bit unstructured and not very well documented
 338                                 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
 339                         seems active
 340                 http://rbl.schulte.org/
 341                         seems active
 342                         listing policy seems to be: they received spam from an IP
 343                         usage policy: Anyone can use this RBL list [sic]
 344                         return codes: probably boolean, i.e. either listed or not
 345                 http://relaytest.kundenserver.de/
 346                         by 1und1 (now ionos?), used internally
 347                         https://www.blalert.com/dnsbl/relays.bl.kundenserver.de
 348                         no usage policy found
 349                         no listing policy found
 350                         no return code explanation found
 351         00_E_PAID
 352         00_E_PRIVATE
 353                 88.blacklist.zap
 354                         http://blogs.technet.com/b/fss/archive/2009/05/08/forefront-dnsbl-yeah-or-nay.aspx
 355                         https://web.archive.org/web/20150812003556/http://blogs.technet.com/b/fss/archive/2009/05/08/forefront-dnsbl-yeah-or-nay.aspx
 356                         https://www.blalert.com/dnsbl/88.blacklist.zap
 357                                 88.blacklist.zap is an internal blacklist maintained by Microsoft's Forefront
 358                         https://www.dnsbl.com/search/label/frontbridge
 359                 http://drmx.org/
 360                         »Use of any DrMX.ORG DNS Zone is by request and by contract only.«
 361                 rbl.tdk.net
 362                         tdk.net seems dead on http(s)
 363                         private
 364                                 https://www.blalert.com/dnsbl/rbl.tdk.net
 365                         old link: http://postmaster.tdc.dk/publish.php?id=31787
 366                                 tdc.dk redirects to yousee.dk
 367                                 https://web.archive.org/web/20170703084224/http://postmaster.tdc.dk/publish.php?id=31787
 368                 rbl.zenon.net
 369                         private
 370                                 https://www.blalert.com/dnsbl/rbl.zenon.net
 371                         http://www.noc.zenon.net/rbl/
 372                         russian(?)
 373                 https://ahbl.org/
 374                         was public until 2015
 375                         now private, invite-only
 376         http://rfc-clueless.org/
 377                 lists domains
 378                         that do not adhere to common best practices or requirements
 379                 does NOT list spammers!
 380                 listing criteria are explained well
 381                         http://rfc-clueless.org/pages/listing_policy
 382                 return codes are explained
 383                         http://rfc-clueless.org/
 384                 usage policy is not so clear but the FAQ implies that it’s just free to use for everyone
 385                 many timeouts
 386                         first noticed in 2014 and deactivated
 387                         retried in 2023 and still the case
 388         http://spameatingmonkey.com/
 389                 lists IPs
 390                         that sent backscatter
 391                         that sent to spamtrap
 392                         added by policy
 393                                 this includes dial-up!
 394                                 https://spameatingmonkey.com/faq/policy-based-listing
 395                 lists domains/URIs
 396                         by age
 397                         in spam bodies
 398                 usage policy seems clear
 399                         https://spameatingmonkey.com/faq/query-limits
 400                 listing policy seems clear
 401                         https://spameatingmonkey.com/services
 402                 return codes documented
 403                         https://spameatingmonkey.com/services
 404                 http://blogspambl.com/
 405                         redirects to spameatingmonkey.com
 406         http://uribl.com/
 407                 lists domains/URIs
 408                         that appear in spam bodies
 409                         has whitelist
 410                 lists IPs
 411                         that URIs in spam bodies resolve to
 412                 return codes are documented
 413                         https://uribl.com/about.shtml#implementation
 414                         bitmasked
 415                         127.0.0.1 is used to signal abusive query behaviour
 416         http://wiki.junkemailfilter.com/index.php/Spam_DNS_Lists
 417                 called "hostkarma"
 418                 lists domains/URIs
 419                 lists IPs
 420                 usage policy is relatively clear that it’s free, except maybe for big for-profit oranizations
 421                 listing policy is documented
 422                 return codes are documented
 423                 seems very trustworthy
 424         http://www.sorbs.net/
 425                 good reputation
 426                 lists domains/URIs
 427                 lists IPs
 428                 usage policy is clear that it’s free
 429                 listing policy is documented
 430                 return codes are documented
 431                 seems trustworthy
 432         http://www.spamhaus.org/
 433                 good reputation
 434                 very well done
 435                 seems very professional
 436                 lists domains/URIs
 437                 lists IPs
 438                 usage policy is clear
 439                         https://www.spamhaus.org/organization/dnsblusage/
 440                 listing policies are clearly documented
 441                 return codes are clearly documented
 442         http://www.surbl.org/
 443                 good reputation
 444                 lists domains/URIs
 445                 usage policy is clear
 446                         https://surbl.org/usage-policy
 447                 listing policy is documented
 448                 return codes are documented
 449                         bitmasked
 450                         127.0.0.1 means blocked
 451         http://zapbl.net/
 452                 lists domains/URIs
 453                 lists IPs
 454                 listing policy seems clear
 455                         https://zapbl.net/policy
 456                 usage policy seems clearly free for everyone
 457                         https://zapbl.net/using
 458                 return codes are documented
 459                 seems well done
 460         https://rbl.foobar.hu/
 461                 lists domains/URIs
 462                 lists IPs
 463                 listing policy seems clear
 464                 usage policy seems clearly free for everyone
 465                 return codes are documented
 466                 possibly unmaintained or dead
 467                         footer says: ©2013-14
 468         http://apews.org/?page=filter
 469                 questionable
 470                         https://www.dnsbl.com/search/label/apews
 471                         https://whatismyipaddress.com/apews
 472                 dead?
 473                         no news on http://apews-user.blogspot.com/ since 2014
 474                 not further looked into because of the above
 475         https://www.dnswl.org/
 476                 seems to be run with best intentions but has had issues from what I have heard from some users
 477                 IRC channel has some activity
 478                 usage policy relatively clear
 479                         free within certain limits
 480                 listing policy
 481                         self-service
 482                 return codes are documented
 483         00_E_FOCUS
 484                 https://www.dnsblchile.org/index.en.html
 485                         chilenian spam so not interesting for me
 486                         seems alive
 487         00_LISTS_BLOGSPAMMERS
 488                 https://www.madavi.de/madavibl/
 489                         »This blacklist should only be used to block comment spammer (on blogs and websites). Don’t use it for mail.«
 490                 http://bsb.empty.us/
 491                         does not exist anymore
 492                         empty.us returns »Nothing here, obviously.«
 493         00_LISTS_COUNTRIES
 494                 korea
 495                         http://korea.services.net/
 496         00_LISTS_DIALUPS
 497         00_LISTS_OPENRESOLVERS
 498         00_LISTS_TORNODES
 499                 https://www.dan.me.uk/dnsbl
 500                 http://rbl.efnetrbl.org/
 501                         aka http://tor.efnet.org/
 502                         lists IPs
 503                         lists open proxies, infected machines, tornodes, etc.
 504         https://0spam.org/
 505                 clear information on usage policy
 506                         Nothing. The 0Spam Project is absolutely free for email providers, IT professionals and general removal request.
 507                         DNSBL service and removals are 100% for free for all uses; commercial, non profit and personal.
 508                 seems serious
 509                 listing policies are a little less clear
 510                         bl.0spam.org DNSBL | 0spam Spam Trap Primary Database
 511                         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.
 512                         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.
 513                 return codes not very clear
 514         https://abuse.ro/
 515                 policy
 516                         spamtraps
 517                         The last IP address before destination in the email headers is listed into rbl.abuse.ro list.
 518                         Sender domains are analyzed and if confirmed to be not spoofed, are listed into dbl.abuse.ro list
 519                         Spamvertized domains (including those indirectly linked through services like bit.ly) are listed into uribl.abuse.ro list
 520         http://dronebl.org/
 521                 usage policy is clear: free for whatever
 522                 listing policy is not quite so clear
 523                         can be mostly inferred from the classes but not entirely clear IMHO
 524                 has an IRC channel
 525                 return codes
 526                         not explicitly mentioned but it’s 127.0.0.X where X is the class from https://dronebl.org/classes
 527         http://psbl.org/
 528                 query zone: psbl.surriel.com
 529                 no usage policy, but seems implied that usage is free
 530                 listing policy
 531                         no explicit, complete policy given but sending to spamtraps is mentioned to get you listed and seems the exclusive mechanism
 532                 return codes
 533                         not documented, probably only boolean
 534         http://rbldata.interserver.net/
 535                 listing policy more or less clear
 536                 usage policy not given but since usage is explained it’s probably free for all
 537                 return codes seem to be binary, i.e. either listed or not
 538                 lists IPs
 539                 lists domains/URIs
 540         http://rv-soft.info/
 541                 usage policy not explicit but seems to be free
 542                 listing policy also not explicit but can be inferred from return code explanation
 543                 return codes are explained
 544         http://spamrats.com/
 545                 clear usage policy (ToS)
 546                 listing policies documented
 547                 return codes of aggregated list documented
 548                 lists IPs
 549         http://v4bl.org/
 550                 usage policy documented
 551                 listing policy not really clear
 552                 return codes documented
 553         http://wpbl.info/
 554         http://www.aupads.org/
 555         http://www.blockedservers.com/
 556         http://www.blocklist.de/en/index.html
 557         http://www.emailbasura.org/cgi-bin/emailbasura-ini.pl?lang=eng
 558         http://www.gbudb.com/truncate/
 559         http://www.justspam.org/
 560         http://www.kempt.net/dnsbl/
 561         http://www.leadmon.net/spamguard/
 562         http://www.spamcop.net/
 563                 good policy
 564                 good reputation
 565         http://www.spamsources.fabel.dk/
 566                 sensible policy
 567         http://www.srntools.com/blacklist/
 568         http://www.uceprotect.net/en/index.php
 569         https://bl.konstant.no/
 570         https://choon.net/rbl.php
 571         https://www.abuse.ch/
 572                 https://www.abuse.ch/?tag=httpbl
 573         https://www.kisarbl.or.kr/
 574         https://www.megarbl.net/
 575         https://www.team-cymru.org/Services/Bogons/dns.html
 576         http://mailspike.net/usage.html
 577                 reputation-based
 578         http://www.whitelisted.org/
 579                 paid subscription
 580                 policy on site
 581         https://puck.nether.net/or/
 582                 policies on website
 583         http://www.isipp.com/email-accreditation/iadb-query-instruction/
 584                 requires signup
 585                 not quite a usage policy, but seems ok
 586                 strange split of ipv4 and ipv6
 587                 seems dead?