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