Directory of Internet Whois Servers
Whois servers return information about ownership and location of Internet hostnames and IP numbers.
Major Internet Whois servers
- ARIN (American Registry for Internet Numbers)
http://ww1.arin.net/whois/ - APNIC database (Asia Pacific Network Information Centre)
http://www.apnic.net/search/ - Broadband Reports http://www.dslreports.com/whois
- CentralOps.net http://centralops.net/co/
- CIRA/ACEI (Canadian Internet Registration Authority == l’Autorit é canadienne pour les enregistrements Internet) http://www.cira.ca/
- Freshmeat
http://freshmeat.net/projects/whois/
Source code at
http://www.linux.it/~md/software/
http://www.linux.it/~md/software/whois_4.6.9.tar.gz - GOV domain names
http://www.nic.gov/whois.html - InterNIC
http://www.internic.net/whois.html - LACNIC (Latin American and Caribbean Internet Addresses Registry)
http://lacnic.net/cgi-bin/lacnic/whois?lg=EN - Micronicos [listing of Whois servers by country]
http://www.micronicos.com/whatsnew/whois-servers-list.html - MIT
ftp://sipb.mit.edu/pub/whois/whois-servers.list - Network Solutions (COM, NET, ORG and EDU domain names)
http://www.netsol.com/cgi-bin/whois/whois/ - RIPE (Réseaux IP Européens) [NL]
http://www.ripe.net/perl/whois - SWITCH Whois Gateway [CH]
http://www.switch.ch/search/whois_form.html
[has links to several other Whois servers] - Universal Whois for Internet domains
http://uwhois.com/
[search multiple Whois servers in parallel] - Whois.Net
http://www.whois.net/
Whois servers by domain
hese 345 Whois Server were collected from the sources, which you find can find at the bottom of this page.
The Whois Servers are checked regularily for beeing online.
If you want to use one special Whois Server for your query, you can simply click on it. This Whois Server list is also available as an XML File.
Server |
Information |
TLD |
| //whois.nic.ir | – | ir |
| ac.nsac.ns.ca | Nova Scotia Agricultural College | – |
| archie.au | Australian Academic and Research Network | – |
| austin.onu.edu | Ohio Northern University | – |
| camis.stanford.edu | Stanford University | – |
| cc.fsu.edu | Florida State University | – |
| cgl.ucsf.edu | University of California at San Francisco, School of Pharmacy | – |
| chalmers.se | Chalmers University of Technology | – |
| companies.mci.net | RFC 2345 TLD-WHOIS demonstration server | – |
| condor.dgsca.unam.mx | Univ. Nacional Autonoma de Mexico, D.G. de Servicios de Computo Academico | – |
| cs.hut.fi | Helsinki University of Technology | – |
| csufresno.edu | California State University – Fresno | – |
| csuhayward.edu | California State University – Hayward | – |
| csus.edu | California State University – Sacramento | – |
| directory.gatech.edu | Georgia Institute of Technology | – |
| directory.msstate.edu | Mississippi State University | – |
| directory.ucdavis.edu | University of California at Davis | – |
| directory.vuw.ac.nz | Victoria University, Wellington | – |
| dns411.com | Name.Space | – |
| domain-registry.nl | Stichting Internet Domeinregistratie Nederland | – |
| ds.internic.net | Network Solutions, Inc. (non-MILNET/non-POC) | – |
| dsa.fccn.pt | Fundacao para a Computacao Cientifica Nacional | – |
| dsa.nis.garr.it | GARR-NIS c/o CNR-CNUCE | – |
| dsa.shu.ac.uk | Sheffield Hallam University | – |
| dvinci.usask.ca | University of Saskatchewan, Engineering | – |
| earth.njit.edu | New Jersey Institute of Technology | – |
| finger.caltech.edu | California Institute of Technology | – |
| gettysburg.edu | Gettysburg College | – |
| gmu.edu | George Mason University | – |
| gopher.educ.cc.keio.ac.jp | Science and Technology Computing Center, Keio University | – |
| gopher.fme.vutbr.cz | Faculty of Mechanical Engineering, Technical University of Brno | – |
| hermes.informatik.htw-zittau.de | HTW Zittau/Goerlitz Elektrotechnik/Informatik | – |
| hmc.edu | Harvey Mudd College | – |
| ibc.wustl.edu | Washington University | – |
| indiana.edu | Indiana University | – |
| info.cnri.reston.va.us | Corporation for National Research Initiatives, Knowbot interface | – |
| info.nau.edu | Northern Arizona University | – |
| info.psu.edu | Pennsylvania State University | – |
| isgate.is | Association of Research Networks in Iceland | – |
| isgate3.isnet.is | Internet a Islandi | – |
| jobswhois.verisign-grs.com | – | jobs |
| kth.se | Royal Institute of Technology | – |
| larc.nasa.gov | NASA Langley Research Center | – |
| llnl.gov | Lawrence Livermore National Laboratory | – |
| lookup.umd.edu | University of Maryland | – |
| mhpwhois1.verisign-grs.net | – | bz |
| mit.edu | Massachusetts Institute of Technology | – |
| monarch.tonic.to | – | to |
| nd.edu | University of Notre Dame | – |
| netlib2.cs.utk.edu | na-net (linear algebra on computers) | – |
| nii.isi.edu | US Domain Registry | – |
| ns.unl.edu | University of Nebraska at Lincoln | – |
| osu.edu | Ohio State University | – |
| oulu.fi | Oulu University | – |
| panda1.uottawa.ca | University of Ottawa | – |
| pcdc.net | Pacific Communications Development Corp. | – |
| pgebrehiwot.iat.cnr.it | Nigerian TLD Registration Service | – |
| ph.orst.edu | Oregon State University | – |
| phys.uvic.ca | University of Victoria, Physics & Astronomy | – |
| seda.sandia.gov | Sandia National Laboratories | – |
| sics.se | Swedish Institute of Computer Science | – |
| sorak.kaist.ac.kr | Korea Advanced Institute of Science & Technology | – |
| src.doc.ic.ac.uk | Imperial College | – |
| sserve.cc.adfa.oz.au | University College, Australian Defense Force Academy | – |
| stanford.edu | Stanford University | – |
| stjohns.edu | St. John’s University | – |
| sunysb.edu | State University of New York, Stony Brook | – |
| uchicago.edu | University of Chicago | – |
| ucsd.edu | University of California at San Diego | – |
| umn.edu | University of Minnesota | – |
| uwa.edu.au | University of Western Australia | – |
| vax2.winona.msus.edu | Minnesota State University – Winona | – |
| vm1.hqadmin.doe.gov | U.S. Department of Energy Headquarters | – |
| vm1.nodak.edu | North Dakota State University | – |
| vtt.fi | Technical Research Centre of Finland | – |
| waikato.ac.nz | Waikato University | – |
| weber.ucsd.edu | University of California at San Diego, Division of Social Sciences | – |
| whitepages.rutgers.edu | Rutgers University | – |
| whois-server.l.chiba-u.ac.jp | Chiba University | – |
| whois.6bone.net | 6bone Registry | – |
| whois.abuse.net | Network Abuse Clearinghouse | – |
| whois.aco.net | Austrian Academic Computer Network | – |
| whois.adamsnames.tc | AdamsNames (.GS, .MS, .TC, .TF, .VG) | gs, ms, tc, tf, vg |
| whois.adamsnames.tc/ | – | gd |
| whois.adelaide.edu.au | University of Adelaide | – |
| whois.aero | – | aero |
| whois.afilias.net | – | info |
| whois.aist-nara.ac.jp | Nara Institute of Science and Technology | – |
| whois.alabanza.com | Alabanza, Inc | – |
| whois.amnic.net | – | am |
| whois.apnic.net | Asia Pacific Network Information Center | asn.au, edu.au, org.au, net.au, id.au |
| whois.arin.net | American Registry for Internet Numbers | – |
| whois.arnes.si | – | si |
| whois.aunic.net | The .AU Registry | au, asn.au, edu.au, org.au, net.au, id.au |
| whois.ausregistry.net.au | – | com.au |
| whois.awregistry.net | All West Communications | – |
| whois.bcm.tmc.edu | Baylor College of Medicine | – |
| whois.belnet.be | Belgian National Research Network | – |
| whois.berkeley.edu | University of California at Berkeley | – |
| whois.biz | – | biz, eu.lv |
| whois.camosun.bc.ca | Camosun College, Victoria, B.C. | – |
| whois.canet.ca | Bell Canada Internet Transit Service | – |
| whois.canterbury.ac.nz | University of Canterbury | – |
| whois.cary.net | CARYNET & HK eDNS Whois server | – |
| whois.cat | – | cat |
| whois.cc.keio.ac.jp | Keio University | – |
| whois.cc.rochester.edu | University of Rochester | – |
| whois.cc.uec.ac.jp | University of Electro-Communications | – |
| whois.cctld.uz | – | uz |
| whois.cd | – | cd |
| whois.cdnnet.ca | CDNnet | – |
| whois.centralnic.com | – | br.com, cn.com, eu.com, hu.com, no.com, qc.com, sa.com, se.com, se.net, us.com, uy.com, za.com, uk.com, uk.net, gb.com, gb.net |
| whois.channelisles.net | – | gg, je |
| whois.ci.ucr.ac.cr | University of Costa Rica Computer Center | – |
| whois.cira.ca | – | ca, ab.ca, bc.ca, mb.ca, nb.ca, nf.ca, ns.ca, nt.ca, on.ca, pe.ca, qc.ca, sk.ca, yk.ca |
| whois.cnnic.net.cn | Computer Network Center, Chinese Academy of Sciences | cn, ac.cn, com.cn, edu.cn, gov.cn, net.cn, org.cn, bj.cn, sh.cn, tj.cn, cq.cn, he.cn, nm.cn, ln.cn, jl.cn, hl.cn, js.cn, zj.cn, ah.cn, hb.cn, hn.cn, gd.cn, gx.cn, hi.cn, sc.cn, gz.cn, yn.cn, xz.cn, sn.cn, gs.cn, qh.cn, nx.cn, xj.cn, tw.cn, hk.cn, mo.cn |
| whois.co.ug | – | ug |
| whois.co.za | Foundation for Research Development | ac.za, alt.za, co.za, edu.za, gov.za, mil.za, net.za, ngo.za, nom.za, org.za, school.za, tm.za, web.za |
| whois.compuserve.com | CompuServe Interactive Services, Inc | – |
| whois.connect.com.au | Connect.com.au Pty Ltd | – |
| whois.corenic.net | CORE Internet Council of Registrars | – |
| whois.crsnic.net | Network Solutions, Inc. for Shared Registration System | com, net |
| whois.cuni.cz | Charles University, Prague | – |
| whois.cw.net | Cable & Wireless USA | – |
| whois.cwru.edu | Case Western Reserve University | – |
| whois.denic.de | – | de |
| whois.dfci.harvard.edu | Dana-Farber Cancer Institute | – |
| whois.dhs.org | Domain Host Services | – |
| whois.discount-domain.com | interQ Inc. | – |
| whois.dit.upm.es | Tech. Univ. Madrid, Telecommunications Highschool | – |
| whois.dk-hostmaster.dk | – | dk |
| whois.dns.be | – | be, ac.be |
| whois.dns.lu | – | lu |
| whois.dns.pl | – | pl, com.pl, net.pl, org.pl, aid.pl, agro.pl, atm.pl, auto.pl, biz.pl, edu.pl, gmina.pl, gsm.pl, info.pl, mail.pl, miasta.pl, media.pl, mil.pl, nom.pl, pc.pl, priv.pl, realestate.pl, rel.pl, shop.pl, sklep.pl, sos.pl, targi.pl, tm.pl, tourism.pl, travel.pl, turystyka.pl |
| whois.dns.pt | Fundacao para a Computacao Cientifica Nacional | – |
| whois.domain-registry.nl | – | nl |
| whois.domain.kg | Kyrgyzstan TLD | – |
| whois.domain.kz | Kazahstan Domain Name Registry | kz |
| whois.domaindiscover.com | TierraNet, Inc. | – |
| whois.domainpeople.com | NetNation Communications Inc. | – |
| whois.domainregistry.ie | – | ie |
| whois.domainz.net.nz | Domainz — The New Zealand Internet Registry Ltd | net.nz, co.nz, maori.nz, org.nz, govt.nz, iwi.nz, cri.nz, school.nz, ac.nz, mil.nz, gen.nz |
| whois.domreg.lt | – | lt |
| whois.dot.tk | – | tk |
| whois.dotgov.gov | – | gov |
| whois.dotmobiregistry.net | – | mobi |
| whois.easyspace.com | EasySpace Ltd. | – |
| whois.educause.edu | – | edu |
| whois.eenet.ee | – | ee |
| whois.elka.pw.edu.pl | Faculty of Electronic Engineering, Warsaw University of Technology | – |
| whois.enom.com | eNom, Inc. | – |
| whois.eu | – | eu |
| whois.eunet.es | EUnet, Goya, Spain | – |
| whois.fee.vutbr.cz | Faculty of Elec. Eng. and Computer Sci., Technical Univ. of Brno | – |
| whois.fh-koeln.de | Fachhochschule Koeln | – |
| whois.ficora.fi | – | fi |
| whois.frd.ac.za | National Research Foundation | – |
| whois.fzi.de | Forschungszentrum Informatik | – |
| whois.geektools.com | CenterGate Research Group, LLC | – |
| whois.hinet.net | Chunghwa Telecom | – |
| whois.hiroshima-u.ac.jp | Hiroshima University | – |
| whois.hkdnr.net.hk | – | com.hk, org.hk, net.hk, edu.hk |
| whois.hkirc.hk | – | hk |
| whois.hkirc.net | – | hk |
| whois.hkirc.net.hk | – | hk |
| whois.hknic.net.hk | HKNIC | – |
| whois.hq.nasa.gov | NASA Headquarters | – |
| whois.ia.pw.edu.pl | Institute of Automatic Control, Warsaw University of Technology | – |
| whois.iana.org | – | int |
| whois.ibm.com | IBM | – |
| whois.icm.edu.pl | Interdyscyplinarne Centrum Modelowania Matematycznego i Komputero | – |
| whois.iii.org.tw | Institution for Information Industry | – |
| whois.iis.se | – | se |
| whois.iisc.ernet.in | Indian Institute of Science | ac.in, co.in, ernet.in, gov.in, net.in, res.in |
| whois.information.aero | – | aero |
| whois.inregistry.net | – | in |
| whois.internetnamesww.com | Melbourne IT | – |
| whois.internic.net | Network Solutions, Inc. | pro, edu, mil |
| whois.isi.edu | .INT Whois Service | – |
| whois.isnic.is | – | is |
| whois.isoc.org.il | – | il, co.il, org.il, net.il, ac.il, k12.il, gov.il, muni.il |
| whois.ja.net | JANET | ac.uk |
| whois.jpl.nasa.gov | NASA Jet Propulsion Laboratory | – |
| whois.jprs.jp | – | jp |
| whois.kenic.or.ke | – | ke |
| whois.krnic.net | Korea Network Information Center | – |
| whois.kuleuven.ac.be | Katholieke Universiteit Leuven | – |
| whois.lac.net | Latin America & Caribbean Whois Server | com.ec, org.ec, net.ec, mil.ec, fin.ec, med.ec, gov.ec |
| whois.larc.nasa.gov | NASA Langley Research Center | – |
| whois.lut.ac.uk | Loughborough University | – |
| whois.messiah.edu | Messiah College | – |
| whois.metu.edu.tr | Middle East Technical University | bbs.tr, com.tr, edu.tr, gov.tr, k12.tr, mil.tr, net.tr, org.tr |
| whois.mff.cuni.cz | Charles University, Faculty of Mathematics and Physics | – |
| whois.monash.edu.au | Monash University | – |
| whois.morris.org | Morris Automated Information Network | – |
| whois.museum | – | museum |
| whois.mynic.net.my | – | my |
| whois.na-nic.com.na | – | na |
| whois.nameit.net | nameIT | – |
| whois.names4ever.com | A+Net Registrar | – |
| whois.namesecure.com | Maaznet Directory Service Inc. | – |
| whois.ncst.ernet.in | National Centre for Software Technology | – |
| whois.ncsu.edu | North Carolina State University | – |
| whois.net.ua | – | ua |
| whois.netnames.net | NetNames (.AF, .BT, .PW, .TM) | af |
| whois.networksolutions.com | Network Solutions, Inc. | – |
| whois.nic-se.se | Network Information Centre Sweden | se |
| whois.nic.ac | nic.ac | ac, co.ac, gv.ac, or.ac, ac.ac |
| whois.nic.ad.jp | Japan Network Information Center | jp, ac.jp, co.jp, go.jp, or.jp, ne.jp |
| whois.nic.ag | – | ag |
| whois.nic.am | AM Network Information Centre | am |
| whois.nic.as | ASNIC | as |
| whois.nic.at | – | at, ac.at, co.at, gv.at, or.at |
| whois.nic.biz | – | biz |
| whois.nic.bj | – | bj |
| whois.nic.br | – | br, adm.br, adv.br, am.br, arq.br, art.br, bio.br, cng.br, cnt.br, com.br, ecn.br, eng.br, esp.br, etc.br, eti.br, fm.br, fot.br, fst.br, g12.br, gov.br, ind.br, inf.br, jor.br, lel.br, med.br, mil.br, net.br, nom.br, ntr.br, odo.br, org.br, ppg.br, pro.br, psc.br, psi.br, rec.br, slg.br, tmp.br, tur.br, tv.br, vet.br, zlg.br |
| whois.nic.cc | NIC.CC Registration Services | cc |
| whois.nic.ch | SWITCH Swiss Academic and Research Network | ch |
| whois.nic.ci | – | ci |
| whois.nic.ck | Cook Islands Network Information Centre | – |
| whois.nic.cl | U. de Chile (NIC Chile) | cl |
| whois.nic.coop | – | coop |
| whois.nic.cx | – | cx |
| whois.nic.cz | – | cz |
| whois.nic.de | DEutsches Network Information Center | de |
| whois.nic.fr | Association Francaise pour le Nommage Internet en Cooperation | fr, tm.fr, com.fr, asso.fr, presse.fr |
| whois.nic.gov | Center for Email Technology | gov |
| whois.nic.gs | – | gs |
| whois.nic.hu | .hu Whois Server | hu |
| whois.nic.io | – | io |
| whois.nic.it | Italian Network Information Center | it |
| whois.nic.ki | – | ki |
| whois.nic.kz | – | kz |
| whois.nic.li | SWITCH Swiss Academic and Research Network | li |
| whois.nic.lk | Sri Lanka Domain Registry | – |
| whois.nic.lv | – | lv |
| whois.nic.mg | – | mg |
| whois.nic.mil | DoD Network Information Center | mil |
| whois.nic.mm | MM-NIC | com.mm, org.mm, net.mm, edu.mm, gov.mm |
| whois.nic.mn | – | mn |
| whois.nic.mx | Network Information Center – Mexico | mx, com.mx, org.mx, net.mx, edu.mx, gov.mx, gob.mx |
| whois.nic.name | – | name |
| whois.nic.net.sb | – | sb |
| whois.nic.net.sg | Singapore Network Information Centre | sg, com.sg, org.sg, net.sg, gov.sg |
| whois.nic.nu | .NU Domain Ltd | nu |
| whois.nic.or.kr | Korea Network Information Center | ac.kr, co.kr, go.kr, ne.kr, nm.kr, or.kr, re.kr, kr |
| whois.nic.pm | – | pm |
| whois.nic.re | – | re |
| whois.nic.se | – | se |
| whois.nic.sh | NIC.SH Domain Registry | sh |
| whois.nic.st | Domain Council of Sao Tome and Principe | st |
| whois.nic.tf | – | tf |
| whois.nic.tj | TJ-NIC | tj |
| whois.nic.tl | – | tl |
| whois.nic.tm | – | tm |
| whois.nic.tr | – | tr |
| whois.nic.travel | – | travel |
| whois.nic.uk | Nominet UK (.UK Domain Registrar) | uk, co.uk, org.uk, ltd.uk, plc.uk, me.uk |
| whois.nic.us | – | us |
| whois.nic.ve | – | ve |
| whois.nic.wf | – | wf |
| whois.nic.ws | – | ws |
| whois.nic.yt | – | yt |
| whois.nomination.net | NomiNation (.GB.COM, .GB.NET, .UK.COM, .UK.NET) | – |
| whois.nordnet.fr | NordNet | – |
| whois.norid.no | UNINETT FAS (NORID) | no |
| whois.nplus.gf | – | gf |
| whois.nrl.navy.mil | Naval Research Laboratory | – |
| whois.nsiregistry.net | Network Solutions, Inc. | – |
| whois.oleane.net | OLEANE SA | – |
| whois.opensrs.net | Open Shared Registration System | – |
| whois.oxy.edu | Occidental College | – |
| whois.pacbell.com | Pacific Bell | – |
| whois.patho.gen.nz | PATHOGEN | – |
| whois.pir.org | – | org |
| whois.publicinterestregistry.net | – | org |
| whois.queensu.ca | Queen’s University, Kingston, Canada | – |
| whois.ra.net | The Routing Arbiter Project | – |
| whois.rcp.net.pe | Red Cientifica Peruana | – |
| whois.register.bg | – | bg |
| whois.register.com | Forman Interactive Corp | – |
| whois.registrars.com | Internet Domain Registrars | – |
| whois.registro.br | registro.br | br |
| whois.registry.hm | HM Domain Registry | – |
| whois.registrypro.pro | – | pro |
| whois.ripe.net | Reseaux IP Europeens | ad, by, fo, gr, lt, lv, pt, sk, asso.mc, tm.mc |
| whois.ripn.net | Russian Institute for Public Networks | ru, com.ru, net.ru, org.ru |
| whois.risc.uni-linz.ac.at | Research Institute for Symbolic Computation, University of Linz | – |
| whois.rotld.ro | – | ro, com.ro, org.ro, store.ro, tm.ro, firm.ro, www.ro, arts.ro, rec.ro, info.ro, nom.ro, nt.ro |
| whois.rsmas.miami.edu | University of Miami, Rosentiel School of Marine and Atmospheric Sciences | – |
| whois.sdsu.edu | San Diego State University | – |
| whois.seed.net.tw | Seednet | – |
| whois.srs.net.nz | – | nz |
| whois.state.ct.us | Department of Administrative Services, State of Connecticut | – |
| whois.sunquest.com | Sunquest Information Systems | – |
| whois.th-darmstadt.de | Darmstadt University of Technology | – |
| whois.thnic.net | Thailand Network Information Center | ac.th, co.th, go.th, mi.th, net.th, or.th |
| whois.tonic.to | Tonic Domain Name Registry | – |
| whois.tu-chemnitz.de | Technische Universitaet Chemnitz | – |
| whois.twnic.net | Taiwan Network Information Center | com.tw, org.tw, net.tw |
| whois.twnic.net.tw | – | tw |
| whois.uakom.sk | SANET (WAN of Slovak academic institutions) | – |
| whois.ubalt.edu | University of Baltimore | – |
| whois.uh.edu | University of Houston | – |
| whois.uk.co | – | uk.co |
| whois.umass.edu | University of Massachusetts at Amherst | – |
| whois.unb.ca | University of New Brunswick | – |
| whois.und.ac.za | University of Natal (Durban) | – |
| whois.uni-c.dk | Danish Computing Centre for Research and Education | – |
| whois.uni-regensburg.de | Universitaet Regensburg | – |
| whois.univ-lille1.fr | University of Sciences and Technologies of Lille – France | – |
| whois.upenn.edu | University of Pennsylvania | – |
| whois.uprr.pr | – | pr |
| whois.usask.ca | University of Saskatchewan | – |
| whois.ut.ee | University of Tartu | – |
| whois.uwo.ca | University of Western Ontario | – |
| whois.verisign-grs.com | – | com, net |
| whois.virginia.edu | University of Virginia | – |
| whois.vutbr.cz | Technical University of Brno | – |
| whois.website.ws | – | ws |
| whois.wfu.edu | Wake Forest University | – |
| whois.wu-wien.ac.at | Wirtschaftsuniversitaet Wien | – |
| whois.www.tv | – | tv |
| whois.yamanashi.ac.jp | Yamanashi University | – |
| whois2.afilias-grs.net | – | gi, hn, sc, vc, la |
| wisc.edu | University of Wisconsin | – |
| wp.doe.gov | U.S. Department of Energy | – |
| wp.es.net | Energy Sciences Network | – |
| wp.nersc.gov | National Energy Research Supercomputer Center | – |
| wp.tuwien.ac.at | Technische Universitat Wien | – |
| wpi.wpi.edu | Worcester Polytechnic Institute | – |
| www.binghamton.edu | State University of New York at Binghamton | – |
| www.fce.vutbr.cz | Faculty of Civil Engineering, Technical University of Brno | – |
| www.nic.mx | NIC-Mexico | – |
| www.orions.ad.jp | Osaka Regional Information and Open Network Systems | – |
| www.restena.lu | RESTENA | – |
| x500.arc.nasa.gov | NASA Ames Research Center | – |
| x500.gsfc.nasa.gov | NASA Goddard Space Flight Center | – |
| x500.ivv.nasa.gov | NASA Software Independent Verification & Validation Facility | – |
| x500.jsc.nasa.gov | NASA Johnson Space Center | – |
| x500.msfc.nasa.gov | NASA Marshall Space Flight Center | – |
| x500.nasa.gov | National Aeronautics and Space Administration | – |
| x500.ssc.nasa.gov | NASA Stennis Space Center | – |
| x500.utexas.edu | University of Texas at Austin | – |
| x500.wstf.nasa.gov | NASA White Sands Test Facility | – |
Sources:
http://www.iana.org/
ftp://sipb.mit.edu/pub/whois/whois-servers.list
http://www.mattsscripts.co.uk/servers.lst