The list of all .com and .net whois servers?

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I'm trying to find the list of all whois servers for COM/NET. Verisign is the authoritative registry for the .com, .net, .name, .cc and .tv domains.

Possible solution: To find out the complete list of whois servers is to crawl through at least a million of them (via whois.crsnic.net) using the domain list from the .com zone file and read the official whois from the whois result.

That way I could probably build a 90%+ complete list. I'm ready to go that route and post a result here but if anybody knows a better way/source, please do help. Thank you!

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There are 3 answers

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Edi Budimilic On BEST ANSWER

I found all the accredited registrars on Verisign website, crawled their whois with each company name and got the whois server.

Here's a list of all the whois servers for .com and .net in PHP array:

$servers = array(
    "whois.godaddy.com",
    "whois.networksolutions.com",
    "whois.enom.com",
    "whois.name.com",
    "whois.tucows.com",
    "whois.PublicDomainRegistry.com",
    "whois.register.com",
    "whois.wildwestdomains.com",
    "whois.markmonitor.com",            
    "whois2.softlayer.com",
    "whois2.domain.com",
    "whois.zoomregistrar.com",
    "whois.zonecasting.com",
    "whois.zigzagnames.com",
    "whois.yovole.com",        
    "whois.yournamemonkey.com",
    "whois.yourjungle.com",
    "whois.yourjungle.com",
    "whois.yourdomainnameregistrar.com",        
    "whois.yourdomainking.com",
    "whois.your-server.de",
    "whois.youdamain.com",
    "whois.yesnic.com",        
    "whois.yellowstart.com",
    "whois.worthydomains.com",
    "whois.worldbizdomains.com",
    "whois.world4you.com",
    "whois.willamettenames.com",
    "whois.whatisyourdomain.com",
    "whois.west263.com",
    "whois.welcomedomain.com",
    "whois.webzero.com",
    "whois.websitesource.com",
    "whois.website.ws",        
    "whois.webnic.cc",        
    "whois.webnames.ru",
    "whois.webnames.ca",
    "whois.webmasters.com",
    "whois.webhosting24.com",
    "whois.webbusiness.biz",
    "whois.webair.com",        
    "whois.web4africa.net",
    "whois.volusion.com",
    "whois.vividdomains.com",
    "whois.visualnames.com",
    "whois.virtualregistrar.com",
    "whois.vigson.com",        
    "whois.viennaweb.at",
    "whois.viaduc.fr",        
    "whois.vertexnames.com",
    "whois.vedacore.com",
    "whois.unpower.com",
    "whois.unifiedservers.com",
    "whois.ultraregistrar.com",
    "whois.ukrnames.com",
    "whois.udomainname.com",
    "whois.udomainname.com",
    "whois.udamain.com",
    "whois.udag.net",        
    "whois.twt.it",                
    "whois.turbosite.com.br",
    "whois.ttpia.com",        
    "whois.tropicregistry.com",
    "whois.traveldomainsincorporated.com",        
    "whois.transip.net",
    "whois.trafficnames.net",
    "whois.trafficmedia.com",
    "whois.tradestarter.com",
    "whois.tradenamed.com",
    "whois.tradeindia.com",
    "whois.tppinternet.com",
    "whois.totalregistrations.com",
    "whois.totallydomain.com",
    "whois.topsystem.com",
    "whois.toglodo.com",
    "whois.todaynic.com",
    "whois.titanichosting.com",
    "whois.tigertech.net",
    "whois.threadwise.com",
    "whois.threadwatch.com",
    "whois.threadwalker.com",
    "whois.threadagent.com",
    "whois.thirdfloordns.com",
    "whois.theregistrarservice.com",                
    "whois.thenameco.com",
    "whois.techtyrants.com",
    "whois.tagidomains.com",
    "whois.syra.com.au",
    "whois.svenskadomaner.se",
    "whois.supernameworld.com",
    "whois.subreg.cz",        
    "whois.star-domain.jp",
    "whois.sssasss.com",
    "whois.ssandomain.com",
    "whois.soyouwantadomain.com",
    "whois.softlayer.com",
    "whois.snoqulamiedomains.com",
    "whois.snappyregistrar.com",
    "whois.skykomishdomains.com",
    "whois.sitefrenzy.com",
    "whois.sipence.com",
    "whois.silverbackdomains.com",
    "whois.signdomains.com",
    "whois.sicherregister.com",
    "whois.sibername.com",
    "whois.sfn.cn",                
    "whois.seymourdomains.com",
    "whois.serverplan.com",
    "whois.secura-gmbh.de",
    "whois.searchnresq.com",
    "whois.searchname.ca",
    "whois.sdsns.com",        
    "whois.sbsnames.com",
    "whois.savethename.com",
    "whois.savemorenames.com",
    "whois.santiamdomains.com",
    "whois.sammamishdomains.com",
    "whois.safenames.net",
    "whois.rrpproxy.net",
    "whois.rockenstein.de",
    "whois.riktad.se",        
    "whois.ride-domain.com",
    "whois.rethemhosting.net",
    "whois.resellserv.com",
    "whois.resellerid.com",
    "whois.resellercamp.com",
    "whois.registrygate.com",
    "whois.registrationtek.com",
    "whois.registrar.telekom.de",
    "whois.registrar.eu",
    "whois.registrar-info.eu",
    "whois.registermatrix.com",
    "whois.register4less.com",
    "whois.register.it",
    "whois.register.eu",
    "whois.register.ca",
    "whois.reg2c.com",        
    "whois.reg.ru",                
    "whois.reclaimdomains.com",
    "whois.rebel.com",        
    "whois.rankusa.com",
    "whois.rainydaydomains.com",
    "whois.r01.ru",                
    "whois.puritynames.com",
    "whois.purenic.com",
    "whois.puredomain.com",
    "whois.psi-usa.info",
    "whois.protondomains.com",
    "whois.pronamed.com",
    "whois.profilebuilder.com",
    "whois.prodomaines.com",
    "whois.privatedomains.biz",        
    "whois.premiumregistrations.com",        
    "whois.powernamers.com",        
    "whois.powercarrier.com",        
    "whois.powerbrandsolutions.com",        
    "whois.postaldomains.com",        
    "whois.platinumregistrar.com",        
    "whois.planetdomain.com",        
    "whois.pheenix.com",        
    "whois.pearlnamingservice.com",        
    "whois.pdxprivatenames.com",        
    "whois.paycenter.com.cn",        
    "whois.pavietnam.vn",        
    "whois.pananames.com",        
    "whois.paknic.com",        
    "whois.pairnic.com",        
    "whois.pacnames.com",        
    "whois.ownregistrar.com",        
    "whois.ownidentity.com",        
    "whois.ourdomains.com",        
    "whois.oregonurls.com",        
    "whois.oregoneu.com",        
    "whois.oray.com",        
    "whois.openname.com",        
    "whois.onlinenic.com",        
    "whois.omnis.com",        
    "whois.oldworldaliases.com",        
    "whois.oldtowndomains.com",        
    "whois.octopusdomains.net",        
    "whois.notsofamousnames.com",        
    "whois.noticeddomains.com",        
    "whois.nordreg.com",        
    "whois.nominfinitum.com",        
    "whois.nominate.net",        
    "whois.nominalia.com",        
    "whois.nomer.com",        
    "whois.no-ip.com",        
    "whois.nictrade.se",        
    "whois.nicreg.com",        
    "whois.nic.ru",        
    "whois.newgreatdomains.com",        
    "whois.neudomain.com",        
    "whois.networksavior.com",        
    "whois.networking4all.com",        
    "whois.nettica.com",        
    "whois.netsavers.com",        
    "whois.netregistry.net",        
    "whois.netlogistics.com.au",        
    "whois.netjuggler.com",        
    "whois.netim.com",        
    "whois.netestate.com",        
    "whois.netdorm.com",        
    "whois.netbulk.com",        
    "whois.netart-registrar.com",        
    "whois.net4domains.com",        
    "whois.net-chinese.com.tw",        
    "whois.nerdnames.com",        
    "whois.neonic.com",        
    "whois.neen.it",        
    "whois.needservers.com",        
    "whois.nayana.com",        
    "whois.nawang.cn",        
    "whois.namware.com",        
    "whois.namevolcano.com",        
    "whois.namevault.com",        
    "whois.nameturn.com",        
    "whois.nametofame.com",        
    "whois.namethread.com",        
    "whois.nametell.com",        
    "whois.namesystem.com",        
    "whois.namestream.com",        
    "whois.namestrategies.com",        
    "whois.namesinmotion.com",        
    "whois.namesilo.com",        
    "whois.nameshere.com",        
    "whois.namesector.com",        
    "whois.namescout.com",        
    "whois.namescout.com",        
    "whois.namesbeyond.com",        
    "whois.namesay.com",        
    "whois.namesalacarte.com",        
    "whois.names4ever.com",        
    "whois.namerich.cn",        
    "whois.nameperfections.com",        
    "whois.namepanther.com",        
    "whois.namenelly.com",        
    "whois.namemax.cn",        
    "whois.nameling.com",        
    "whois.nameking.com",        
    "whois.namejolt.com",        
    "whois.namefull.com",        
    "whois.nameforward.com",        
    "whois.namefinger.com",        
    "whois.nameescape.com",        
    "whois.nameemperor.com",        
    "whois.namecroc.com",        
    "whois.namechild.com",        
    "whois.namecheap.com",        
    "whois.namebright.com",        
    "whois.namebrew.com",        
    "whois.namebake.com",        
    "whois.namearsenal.com",        
    "whois.mypreciousdomain.com",        
    "whois.myorderbox.com",        
    "whois.myorderbox.com",        
    "whois.myobnet.com",        
    "whois.mvpdomainnames.com",        
    "whois.moniker.com",        
    "whois.mobilenameservices.com",        
    "whois.misternic.com",        
    "whois.misk.com",        
    "whois.mijninternetoplossing.nl",        
    "whois.microbreweddomains.com",        
    "whois.meshdigital.com",        
    "whois.matbao.net",        
    "whois.masterofmydomains.net",        
    "whois.markbark.com",        
    "whois.maprilis.com.vn",        
    "whois.mailclub.net",        
    "whois.magicfriday.com",        
    "whois.lws.fr",        
    "whois.locaweb.com.br",        
    "whois.litedomains.com",        
    "whois.liquidnetlimited.com",        
    "whois.lexsynergy.com",        
    "whois.lemonregistry.com",        
    "whois.ledl.net",        
    "whois.lcn.com",        
    "whois.lakeodomains.com",        
    "whois.ladasdomains.com",        
    "whois.kuwaitnet.net",        
    "whois.kudo.com",        
    "whois.ksdom.kr",        
    "whois.komplex.net",        
    "whois.klaatudomains.com",        
    "whois.king-domains.com",        
    "whois.keyregistrar.com",        
    "whois.k8.com.br",        
    "whois.jungbo.net",        
    "whois.jprs.jp",        
    "whois.joker.com",        
    "whois.joinup.jp",        
    "whois.jetpackdomains.com",        
    "whois.itpan.com",        
    "whois.isregistrar.com",        
    "whois.isimtescil.net",        
    "whois.iserveyourdomain.com",        
    "whois.iregistry.com",        
    "whois.ireg.net",        
    "whois.ipxcess.com",        
    "whois.ipmirror.com",        
    "whois.intrustdomains.com",        
    "whois.internetworks.com",        
    "whois.internetters.co.uk",        
    "whois.internetdomainnameregistrar.org",        
    "whois.internet.bs",        
    "whois.interlakenames.com",        
    "whois.interdominios.com",        
    "whois.interdomain.net",        
    "whois.instinctsolutions.com",        
    "whois.instantnames.com",        
    "whois.insanenames.com",        
    "whois.initialesonline.net",        
    "whois.ininaf.com",        
    "whois.inic.ch",        
    "whois.indiatimes.com",        
    "whois.inames.co.kr",        
    "whois.imminentdomains.net",        
    "whois.imena.ua",        
    "whois.ilait.com",        
    "whois.iisp.com",        
    "whois.ihs.com.tr",        
    "whois.idindi.com",        
    "whois.idgenesis.com",        
    "whois.ibi.net",        
    "whois.iaregistry.com",        
    "whois.hyperstreet.com",        
    "whois.hupo.com",        
    "whois.http.net",        
    "whois.hotdomaintrade.com",        
    "whois.hostway.com",        
    "whois.hostingservicesinc.net",        
    "whois.hostinger.com",        
    "whois.hosting.kr",        
    "whois.hoapdi-inc.com",        
    "whois.hichina.com",        
    "whois.hectamedia.com",        
    "whois.heavydomains.net",        
    "whois.hawthornedomains.com",        
    "whois.haveaname.com",        
    "whois.gzidc.com",        
    "whois.guoxuwang.cn",        
    "whois.gungagalunga.biz",        
    "whois.groundinternet.com",        
    "whois.gradeadomainnames.com",        
    "whois.gozerdomains.com",        
    "whois.goserveyourdomain.com",        
    "whois.google.com",        
    "whois.gooddomainregistry.com",        
    "whois.gonbei.jp",        
    "whois.gomontenegrodomains.com",        
    "whois.gofullhouse.com",        
    "whois.gofrancedomains.com",        
    "whois.godomaingo.com",        
    "whois.gochinadomains.com",        
    "whois.gocanadadomains.com",        
    "whois.goaustraliadomains.com",        
    "whois.glis.in",        
    "whois.glamdomains.com",        
    "whois.gkg.net",        
    "whois.ghana.com",        
    "whois.getyername.com",        
    "whois.genious.net",        
    "whois.gatekeeperdomains.net",        
    "whois.gandi.net",        
    "whois.gamefornames.com",        
    "whois.gabia.com",        
    "whois.fushitarazu.com",        
    "whois.frontstreetdomains.com",        
    "whois.freshbreweddomains.com",        
    "whois.freeparking.co.uk",        
    "whois.flancrestdomains.com",        
    "whois.findyouaname.com",        
    "whois.findyouadomain.com",        
    "whois.finduaname.com",        
    "whois.findgooddomains.com",        
    "whois.fiducia.lv",        
    "whois.fenominal.com",        
    "whois.fabulous.com",        
    "whois.extrathreads.com",        
    "whois.extranetdeclientes.com",        
    "whois.extendnames.com",        
    "whois.experinom.com",        
    "whois.exai.com",        
    "whois.evonames.com",        
    "whois.everreadynames.com",        
    "whois.euturbo.com",        
    "whois.eurotrashnames.com",        
    "whois.europeanconnectiononline.com",        
    "whois.eurodns.com",        
    "whois.eunameflood.com",        
    "whois.epik.com",        
    "whois.entorno.es",        
    "whois.entertainmentnames.com",        
    "whois.enterprice.net",        
    "whois.enomx.com",        
    "whois.enomworld.com",        
    "whois.enomv.com",        
    "whois.enomtoo.com",        
    "whois.enomten.com",        
    "whois.enomnz.com",        
    "whois.enomgmpservices.com",        
    "whois.enomfor.com",        
    "whois.enomeu.com",        
    "whois.enomcorporate.com",        
    "whois.enombre.com",        
    "whois.enomate.com",        
    "whois.enoma1.com",        
    "whois.enom5.com",        
    "whois.enom469.com",        
    "whois.enom467.com",        
    "whois.enom463.com",        
    "whois.enom459.com",        
    "whois.enom457.com",        
    "whois.enom455.com",        
    "whois.enom453.com",        
    "whois.enom451.com",        
    "whois.enom449.com",        
    "whois.enom447.com",        
    "whois.enom445.com",        
    "whois.enom443.com",        
    "whois.enom441.com",        
    "whois.enom439.com",        
    "whois.enom437.com",        
    "whois.enom435.com",        
    "whois.enom433.com",        
    "whois.enom431.com",        
    "whois.enom429.com",        
    "whois.enom427.com",        
    "whois.enom425.com",        
    "whois.enom423.com",        
    "whois.enom421.com",        
    "whois.enom419.com",        
    "whois.enom417.com",        
    "whois.enom413.com",        
    "whois.enom411.com",        
    "whois.enom409.com",        
    "whois.enom407.com",        
    "whois.enom405.com",        
    "whois.enom403.com",        
    "whois.enom4.com",        
    "whois.enom399.com",        
    "whois.enom397.com",        
    "whois.enom395.com",        
    "whois.enom391.com",        
    "whois.enom389.com",        
    "whois.enom387.com",        
    "whois.enom381.com",        
    "whois.enom379.com",        
    "whois.enom377.com",        
    "whois.enom375.com",        
    "whois.enom373.com",        
    "whois.enom371.com",        
    "whois.enom3.com",        
    "whois.enom2.com",        
    "whois.enom1.com",        
    "whois.enetica.com.au",        
    "whois.encirca.com",        
    "whois.ename.com",        
    "whois.echodomain.com",        
    "whois.ebrandsecure.com",        
    "whois.easyspace.com",        
    "whois.eastnames.com",        
    "whois.eachnic.com",        
    "whois.eNom461.com",        
    "whois.eNom415.com",        
    "whois.eNom393.com",        
    "whois.eNom385.com",        
    "whois.eNom383.com",        
    "whois.dyndns.com",        
    "whois.dynanames.com",        
    "whois.dynamicdolphin.com",        
    "whois.dynadot5.com",        
    "whois.dynadot4.com",        
    "whois.dynadot3.com",        
    "whois.dynadot2.com",        
    "whois.dynadot1.com",        
    "whois.dynadot0.com",        
    "whois.dynadot.com",        
    "whois.duckbilleddomains.com",        
    "whois.dropoutlet.com",        
    "whois.dotroll.com",        
    "whois.dotnamed.com",        
    "whois.dotname.co.kr",        
    "whois.dotdomainsale.com",        
    "whois.dotarai.com",        
    "whois.dotalliance.com",        
    "whois.domus-llc.com",        
    "whois.domrobot.com",        
    "whois.domerati.com",        
    "whois.domdrill.com",        
    "whois.domainz.com",        
    "whois.domainyeti.com",        
    "whois.domainwards.com",        
    "whois.domaintimemachine.com",        
    "whois.domaintact.com",        
    "whois.domainsurgeon.com",        
    "whois.domainstreetdirect.com",        
    "whois.domainsrs.com",        
    "whois.domainsprouts.com",        
    "whois.domainsovereigns.com",        
    "whois.domainsoverboard.com",        
    "whois.domainsouffle.com",        
    "whois.domainsonly.com",        
    "whois.domainsofvalue.com",        
    "whois.domainsoftheworld.net",        
    "whois.domainsoftheday.net",        
    "whois.domainsofcourse.com",        
    "whois.domainsinthebag.com",        
    "whois.domainshype.com",        
    "whois.domainsareforever.net",        
    "whois.domainsalsa.com",        
    "whois.domainsails.net",        
    "whois.domains.domreg.lt",        
    "whois.domains.co.za",        
    "whois.domainroyale.com",        
    "whois.domainregi.com",        
    "whois.domainraker.net",        
    "whois.domainprocessor.com",        
    "whois.domainprime.com",        
    "whois.domainpicking.com",        
    "whois.domainpeople.com",        
    "whois.domainparkblock.com",        
    "whois.domainnovations.com",        
    "whois.domainnameshop.com",        
    "whois.domainname.com",        
    "whois.domainmonster.com",        
    "whois.domainmap.com",        
    "whois.domainlocal.com",        
    "whois.domainladder.com",        
    "whois.domainjungle.net",        
    "whois.domaininthehole.com",        
    "whois.domaininthebasket.com",        
    "whois.domainhysteria.com",        
    "whois.domainhood.com",        
    "whois.domainhawks.net",        
    "whois.domaingetter.com",        
    "whois.domaingazelle.com",        
    "whois.domainfalcon.com",        
    "whois.domainextreme.com",        
    "whois.domaindiscover.com",        
    "whois.domaindelights.com",        
    "whois.domaincritics.com",        
    "whois.domaincreek.com",        
    "whois.domaincraze.com",        
    "whois.domaincontext.com",        
    "whois.domaincomesaround.com",        
    "whois.domainclub.com",        
    "whois.domainclip.com",        
    "whois.domaincentre.ca",        
    "whois.domaincapitan.com",        
    "whois.domainarmada.com",        
    "whois.domainamania.com",        
    "whois.domainallies.com",        
    "whois.domainahead.com",        
    "whois.domainagent.co.nz",        
    "whois.domain2.com",        
    "whois.domain.com",        
    "whois.documentdata.li",        
    "whois.do-reg.jp",        
    "whois.dns.com.cn",        
    "whois.dm3networks.com",        
    "whois.division120.com",        
    "whois.distributeit.com.au",        
    "whois.discountdomainsuk.com",        
    "whois.discount-domain.com",        
    "whois.directnic.com",        
    "whois.dfordomains.com",        
    "whois.desertdevil.com",        
    "whois.deschutesdomains.com",        
    "whois.demys.com",        
    "whois.dattatec.com",        
    "whois.dandomain.dk",        
    "whois.dagnabit.biz",        
    "whois.curiousnet.com",        
    "whois.crystalcoal.com",        
    "whois.cronon.net",        
    "whois.crispnames.com",        
    "whois.cps-datensysteme.de",        
    "whois.corporatedomains.com",        
    "whois.corenic.net",        
    "whois.coolocean.com",        
    "whois.compuglobalhypermega.com",        
    "whois.communigal.net",        
    "whois.commerceisland.com",        
    "whois.comfydomains.com",        
    "whois.columbianames.com",        
    "whois.cnolnic.com",        
    "whois.cndns.com",        
    "whois.cn.hooyoo.com",        
    "whois.clouddomainregistry.com",        
    "whois.cheapies.com",        
    "whois.cdmon.com",        
    "whois.ccireg.com",        
    "whois.ccdomain.co.kr",        
    "whois.burnsidedomains.com",        
    "whois.bullrundomains.com",        
    "whois.bottledomains.com",        
    "whois.boterosolutions.net",        
    "whois.bookmyname.com",        
    "whois.bluerazor.com",        
    "whois.bluefractal.com",        
    "whois.blockhost.com",        
    "whois.blisternet.net",        
    "whois.blastdomains.com",        
    "whois.blacknight.com",        
    "whois.bizcn.com",        
    "whois.binero.se",        
    "whois.biglizarddomains.com",        
    "whois.bighouseservices.com",        
    "whois.bigdomainshop.com",        
    "whois.betterthanaveragedomains.com",        
    "whois.belmontdomains.com",        
    "whois.beartrapdomains.com",        
    "whois.batdomains.com",        
    "whois.basicfusion.com",        
    "whois.baronofdomains.com",        
    "whois.badger.com",        
    "whois.backslapdomains.com",        
    "whois.azprivatez.com",        
    "whois.azdomainz.com",        
    "whois.az.pl",        
    "whois.aviddomain.com",        
    "whois.ausregistryinternational.com",        
    "whois.atozdomainsmarket.com",        
    "whois.atomicdomainnames.com",        
    "whois.atlanticfriendnames.com",        
    "whois.astutium.com",        
    "whois.assorted.com",        
    "whois.asiaregister.com",        
    "whois.asiadomains.biz",        
    "whois.asadal.com",        
    "whois.aruba.it",        
    "whois.arcticnames.com",        
    "whois.arabinternetnames.com",        
    "whois.antagus.de",        
    "whois.anchovy.com",        
    "whois.alpinedomains.com",        
    "whois.allworldnames.com",        
    "whois.allglobalnames.com",        
    "whois.allearthdomains.com",
    "whois.alfena.com",        
    "whois.aitdomains.com",
    "whois.afternic.com",
    "whois.afterdarkdomainsincorporated.com",
    "whois.afriregister.com",
    "whois.aerotek.com.tr",
    "whois.advancedregistrar.com",
    "whois.adomainofyourown.com",
    "whois.activeregistrar.com",
    "whois.active24.com",
    "whois.acquirednames.com",
    "whois.accentdomains.com",
    "whois.above.com",        
    "whois.aboutdomainsolutions.com",                
    "whois.PresidentialDomains.com",                
    "whois.NameWeb.biz",
    "whois.LTNIC.com",        
    "whois.72dns.com",        
    "whois.625domains.com",
    "whois.55hl.com",        
    "whois.51hkidc.com",
    "whois.35.com",                
    "whois.2imagen.net",
    "whois.22.cn",                
    "whois.1isi.com",        
    "whois.1hostkorea.com",
    "whois.1hostjapan.com",
    "whois.1hostgermany.com",
    "whois.1hostchina.com",
    "whois.1hostcanada.com",
    "whois.1hostaustralia.com",
    "whois.123-reg.co.uk",
    "whois.101domain.com",
    "whois.0101domain.com",
    "whois.007names.com",
    "rcube.ipmirror.com/rblWhois.do",                
    "nswhois.domainregistry.com",
    "kheweul.org",                
    "grs-whois.hichina.com",
    "comnet-whois.humeia.com",
    "Whois.gabia.com",        
    "Whois.bigrock.com",
    "Whois.bigrock.com",
    "Whois.Registrar.Amazon.com",
);

Made for my startup company WhoAPI.com.

2
Simone Carletti On

Unfortunately, there is no definitive list. You may try to contact Verisign and ask them if they can extract a list of all accredited registrars.

The other possibility is to use a crawler, but as you noticed is not as accurate.

3
Marcus On

If anyone still reads this: As long as Verisign is a 'thin' registry, there will never be a list of whois servers. At least not a reliable one.

Verisign accredits registrars on a daily basis, and each registrar has a whois server of their own. Also, a registrar may decide to change the hostname of their whois server.

You have to make this a two-step process. First, check whois.internic.net for who is in charge of the domain, then query the registrar's whois. Registrars can get that information through the Verisign API (i.e. an extension of the EPP protocol)

I am not even sure what the list could be used for. You certainly do not want to query 1500+ whois servers trying to find the registrar in charge of a given domain