xbl.selwerd.cxzone because it is too aggressive to be widely useful, and excludes the
blocktest.relays.osirusoft.comzone because it is not a blacklist.
There were intermittent difficulties getting results from all of the
relays.osirusoft.com zones during the survey this week,
so their hit counts are lower than they would otherwise be.
Hits DNS Zone 6501 (total number of IP addresses tested, including 291 at SDSC) 2173 (union of most IP zones) 1865 xbl.selwerd.cx 1006 bl.spamcop.net 865 blackholes.five-ten-sg.com (union of all results) 662 outputs.orbz.org 463 relays.ordb.org 435 inputs.orbz.org 370 blackholes.five-ten-sg.com (result 127.0.0.4 = unconfirmed opt-in) 337 ztl.dorkslayers.com 276 blackholes.five-ten-sg.com (result 127.0.0.2 = spam source) 264 blackholes.intersil.net 248 block.blars.org 222 orbs.dorkslayers.com 143 flowgoaway.com 133 dev.null.dk 131 pm0-no-more.compu.net 127 blackholes.five-ten-sg.com (result 127.0.0.3 = dialup) 122 blacklist.spambag.org 119 relays.visi.com 79 blackholes.five-ten-sg.com (result 127.0.0.7 = spam haven) 77 relays.dorkslayers.com 67 blocktest.relays.osirusoft.com (not a blacklist!) 65 relays.osirusoft.com (union of all results) 62 ipwhois.rfc-ignorant.org 60 spammers.v6net.org 40 relays.osirusoft.com (result 127.0.0.2 = relay) 39 inputs.relays.osirusoft.com 25 blackhole.compu.net 24 relays.osirusoft.com (result 127.0.0.4 = spam source) 22 spews.relays.osirusoft.com 12 blackholes.five-ten-sg.com (result 127.0.0.5 = relay output) 7 spamsources.relays.osirusoft.com (result 127.0.0.4 = spam source) 7 spamsources.relays.osirusoft.com (union of all results) 1 dialups.relays.osirusoft.com 1 relays.osirusoft.com (result 127.0.0.3 = dialup) 1 blackholes.five-ten-sg.com (result 127.0.0.6 = relay)Survey results for all known public domain-name-based DNS blacklists. Lookups were done on the domain names of connecting IP addresses.
Hits DNS Zone 6501 (total number of IP addresses whose names were tested, including 291 at SDSC) 550 (union of all domain zones) 328 whois.rfc-ignorant.org 260 abuse.rfc-ignorant.org 4 dsn.rfc-ignorant.org (zone not intended for this use) 3 postmaster.rfc-ignorant.orgSurvey results for all known public domain-name-based DNS blacklists. Lookups were done on SMTP sender domains.
Hits DNS Zone 4699 (total number of domains tested, including 191 at SDSC) 376 (union of all domain zones) 216 whois.rfc-ignorant.org 107 abuse.rfc-ignorant.org 65 postmaster.rfc-ignorant.org 48 dsn.rfc-ignorant.orgThe web sites listed below provide detailed information about the DNS zones listed above, including their listing policies and suggestions for appropriate use.
blackholes.intersil.netzone "lists entrenched spammers, mainsleaze and mainsleaze wannabes who have pestered users at Intersil." The
flowgoaway.comzone lists FloNetwork systems. The
blackhole.compu.netzone "is primarily for hosts which were not blocked by other blackhole sites and spammed compu.net" and the
pm0-no-more.compu.netzone "blocks all pm0 email."