| Hits | DNS Zone |
| 36625 | (total number of IP addresses tested, including 423 at SDSC) |
| 31512 | (union of most IP zones) |
| 21695 | t1.dnsbl.net.au |
| 21183 | blackholes.five-ten-sg.com (union of all results) |
| 20442 | blackholes.five-ten-sg.com (result 127.0.0.2 = spam source) |
| 16053 | dnsbl.sorbs.net (union of all results) |
| 15411 | sbl-xbl.spamhaus.org (union of all results) |
| 14138 | xbl.spamhaus.org (union of all results) |
| 13274 | cbl.abuseat.org |
| 13229 | xbl.spamhaus.org (result 127.0.0.4 = Composite Blocking List) |
| 13226 | sbl-xbl.spamhaus.org (result 127.0.0.4 = Composite Blocking List) |
| 11330 | cn-kr.blackholes.us (union of all results) |
| 11159 | dnsbl.sorbs.net (result 127.0.0.10 = dialup) |
| 10522 | no-more-funn.moensted.dk (union of all results) |
| 9447 | unconfirmed.dsbl.org |
| 9354 | list.dsbl.org |
| 9350 | dsbl.dnsbl.net.au |
| 9042 | dynablock.njabl.org |
| 8183 | rmst.dnsbl.net.au |
| 7622 | cn-kr.blackholes.us (result 127.0.0.3 = Korea) |
| 7622 | korea.blackholes.us |
| 7615 | korea.services.net |
| 7476 | psbl.surriel.com |
| 7453 | sbl.csma.biz |
| 7054 | no-more-funn.moensted.dk (result 127.0.0.2 = spam source) |
| 6149 | combined-hib.dnsiplists.completewhois.com (union of all results) |
| 6119 | combined-hib.dnsiplists.completewhois.com (result 127.0.0.4 = bad whois data) |
| 4595 | bl.spamcop.net |
| 4498 | bl.csma.biz |
| 4379 | dnsbl.njabl.org (union of all results) |
| 3742 | blacklist.spambag.org |
| 3708 | cn-kr.blackholes.us (result 127.0.0.2 = China) |
| 3708 | china.blackholes.us |
| 3582 | dnsbl.njabl.org (result 127.0.0.9 = open proxy) |
| 3310 | l2.spews.dnsbl.sorbs.net |
| 3239 | opm.blitzed.org |
| 3215 | xbl.spamhaus.org (result 127.0.0.6 = Blitzed Open Proxy Monitor List) |
| 3214 | sbl-xbl.spamhaus.org (result 127.0.0.6 = Blitzed Open Proxy Monitor List) |
| 3015 | wpbl.dnsbl.net.au |
| 2920 | dnsbl.ahbl.org (union of all results) |
| 2876 | spews.dnsbl.net.au |
| 2853 | dnsbl.sorbs.net (result 127.0.0.7 = open formmail.cgi) |
| 2850 | l1.spews.dnsbl.sorbs.net |
| 2404 | spamsources.fabel.dk |
| 2296 | ricn.dnsbl.net.au |
| 2231 | dnsbl.ahbl.org (result 127.0.0.3 = open proxy) |
| 1946 | sbl-xbl.spamhaus.org (result 127.0.0.2 = Spamhaus SBL) |
| 1946 | sbl.spamhaus.org |
| 1908 | dnsbl.sorbs.net (result 127.0.0.6 = spam source) |
| 1735 | dnsbl.regedit64.net |
| 1647 | no-more-funn.moensted.dk (result 127.0.0.3 = dialup) |
| 1612 | spam.wytnij.to |
| 1450 | dnsbl.sorbs.net (result 127.0.0.2 = open http proxy) |
| 1397 | dnsbl.sorbs.net (result 127.0.0.3 = open socks proxy) |
| 1377 | dnsbl.antispam.or.id |
| 1269 | pdl.blackholes.us |
| 1187 | no-more-funn.moensted.dk (result 127.0.0.10 = open proxy) |
| 1170 | dnsbl.rangers.eu.org (union of all results) |
| 1023 | unsure.nether.net |
| 1009 | dnsbl.rangers.eu.org (result 127.0.0.2 = dialup) |
| 992 | comcast.blackholes.us |
| 985 | brazil.blackholes.us |
| 975 | bl.spamcannibal.org |
| 717 | japan.blackholes.us |
| 660 | dnsbl.ahbl.org (result 127.0.0.4 = spam source) |
| 642 | probes.dnsbl.net.au |
| 631 | dnsbl.njabl.org (result 127.0.0.3 = dialup) |
| 471 | level3.blackholes.us |
| 455 | ybl.megacity.org |
| 454 | no-more-funn.moensted.dk (result 127.0.0.9 = misc) |
| 421 | taiwan.blackholes.us |
| 417 | rr.blackholes.us |
| 408 | russia.blackholes.us |
| 387 | blackholes.five-ten-sg.com (result 127.0.0.7 = spam haven) |
| 299 | charter.blackholes.us |
| 278 | mexico.blackholes.us |
| 267 | cw.blackholes.us |
| 252 | argentina.blackholes.us |
| 249 | blackholes.five-ten-sg.com (result 127.0.0.4 = unconfirmed opt-in) |
| 221 | mail-abuse.blacklist.jippg.org |
| 208 | interbusiness.blackholes.us |
| 196 | tr.countries.nerd.dk |
| 195 | no-more-funn.moensted.dk (result 127.0.0.7 = spam haven) |
| 192 | turkey.blackholes.us |
| 189 | blackholes.intersil.net |
| 187 | hongkong.blackholes.us |
| 163 | ohps.dnsbl.net.au |
| 161 | qwest.blackholes.us |
| 155 | query.bondedsender.org (not a blacklist!) |
| 147 | singapore.blackholes.us |
| 139 | dnsbl.sorbs.net (result 127.0.0.4 = open proxy) |
| 127 | wanadoo-fr.blackholes.us |
| 127 | thailand.blackholes.us |
| 124 | malaysia.blackholes.us |
| 112 | verio.blackholes.us |
| 105 | above.blackholes.us |
| 100 | internap.blackholes.us |
| 93 | xo.blackholes.us |
| 91 | dnsbl.rangers.eu.org (result 127.0.0.16 = spam haven) |
| 90 | dnsbl.njabl.org (result 127.0.0.4 = spam source) |
| 85 | dnsbl.njabl.org (result 127.0.0.2 = source or relay) |
| 82 | multihop.dsbl.org |
| 79 | relays.ordb.org |
| 72 | flowgoaway.com |
| 70 | cybercon.blackholes.us |
| 66 | osps.dnsbl.net.au |
| 59 | ph.rbl.cluecentral.net |
| 56 | bellsouth.blackholes.us |
| 55 | dnsbl.rangers.eu.org (result 127.0.0.8 = spam source) |
| 55 | blackholes.five-ten-sg.com (result 127.0.0.9 = misc) |
| 43 | nigeria.blackholes.us |
| 43 | inflow.blackholes.us |
| 42 | he.blackholes.us |
| 42 | covad.blackholes.us |
| 40 | a2000.blackholes.us |
| 40 | relays.nether.net |
| 39 | rogers.blackholes.us |
| 34 | dialup.blacklist.jippg.org (union of all results) |
| 33 | dialup.blacklist.jippg.org (result 127.0.0.3 = dialup outside Japan) |
| 32 | osrs.dnsbl.net.au |
| 30 | eli.blackholes.us |
| 30 | combined-hib.dnsiplists.completewhois.com (result 127.0.0.2 = unallocated IP address) |
| 29 | dnsbl.ahbl.org (result 127.0.0.19 = open proxy test zone) |
| 27 | yipes.blackholes.us |
| 26 | infolink.blackholes.us |
| 24 | telstra.blackholes.us |
| 24 | blackholes.five-ten-sg.com (result 127.0.0.12 = spam-friendly freemail provider) |
| 23 | lauderdale.blackholes.us |
| 23 | dnsbl.ahbl.org (result 127.0.0.7 = spam haven) |
| 22 | spamguard.leadmon.net (result 127.0.0.7 = spam source netblock) |
| 22 | spamguard.leadmon.net (union of all results) |
| 21 | dnsbl.sorbs.net (result 127.0.0.5 = open relay) |
| 20 | dnsbl.ahbl.org (result 127.0.0.15 = open relay) |
| 18 | exemptions.ahbl.org (not a blacklist!) |
| 16 | rackspace.blackholes.us |
| 16 | broadwing.blackholes.us |
| 16 | dnsbl.sorbs.net (result 127.0.0.9 = zombie network) |
| 16 | blackholes.uceb.org (union of all results) |
| 14 | dnsbl.rangers.eu.org (result 127.0.0.4 = virus notices) |
| 14 | blackholes.five-ten-sg.com (result 127.0.0.5 = relay output) |
| 13 | blackholes.uceb.org (result 127.0.0.3 = spam source) |
| 13 | rdts.dnsbl.net.au |
| 12 | burst.blackholes.us |
| 12 | affinity.blackholes.us |
| 11 | maxim.blackholes.us |
| 10 | swbell.blackholes.us |
| 10 | hil.habeas.com |
| 10 | blackholes.five-ten-sg.com (result 127.0.0.10 = virus notices) |
| 9 | blackholes.brainerd.net |
| 7 | olm.blackholes.us |
| 7 | satos.rbl.cluecentral.net |
| 5 | navisite.blackholes.us |
| 5 | bl.deadbeef.com |
| 4 | epoch.blackholes.us |
| 3 | pajo.blackholes.us |
| 3 | blackholes.uceb.org (result 127.0.0.2 = open relay) |
| 3 | owps.dnsbl.net.au |
| 3 | no-more-funn.moensted.dk (result 127.0.0.8 = open web form) |
| 2 | ciberlynx.blackholes.us |
| 1 | media3.blackholes.us |
| 1 | dnsbl.rangers.eu.org (result 127.0.0.32 = worm source) |
| 1 | spamsites.dnsbl.net.au |
| 1 | dialup.blacklist.jippg.org (result 127.0.0.4 = dialup in Japan) |
| 1 | blackholes.five-ten-sg.com (result 127.0.0.8 = open web form) |
| 1 | blackholes.five-ten-sg.com (result 127.0.0.6 = open relay) |
| 1 | dnsbl.ahbl.org (result 127.0.0.10 = shoot on sight spammer) |