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Friday, March 9, 2012

Backorder Domain Names at BackOrderZone.com | Backorder Domain Names: Google's most popular and least popular top level ...

Backorder Domain Names at BackOrderZone.com | Backorder Domain Names: Google's most popular and least popular top level ...: Google's most popular and least popular top level domains By Bill Slawski , on January 13, 2006, at 4:58 am What are the most popula...

Google's most popular and least popular top level domains

Google's most popular and least popular top level domains

What are the most popularly used top level domains, or at least, which are the ones that show up on pages indexed in Google?
I wondered this yesterday after seeing a news article stating that the registration of .cn (china) top level domain names topped 1 million for the first time ever by the end of 2005. The seed for my wonderment was probably planted when EGOL, at Cre8asite Forums, asked about using a .info top level domain earlier that day.
So I decided to check to see which were the most popular in Google, since that was the easiest place to get some statistics.
I found a couple of lists of top level domains (generic tlds and country code tlds), and searched for the number of results that appeared in Google, using the advanced “site” search operator and my tld lists. For example, a search for “site:.com” without the quotation marks might show me approximately how many pages appear in Google’s index that are on sites using a “.com” top level domain.

I’ve listed the 20 most popular, then the 20 least popular, and finally the whole list.
The 20 top level domains with the most page results in Google:
.comCommercial4,860,000,000
.orgNoncommercial1,950,000,000
.eduUS accredited postsecondary institutions1,550,000,000
.govUnited States Government1,060,000,000
.ukUnited Kingdom473,000,000
.netNetwork services206,000,000
.caCanada165,000,000
.deGermany145,000,000
.jp Japan139,000,000
.fr France96,700,000
.auAustralia91,000,000
.usUnited States68,300,000
.ruRussian Federation67,900,000
.chSwitzerland62,100,000
.itItaly55,200,000
.nlNetherlands45,700,000
.seSweden39,000,000
.noNorway32,300,000
.esSpain31,000,000
.milUnited States Military28,400,000
The 20 top level domains with the least page results in Google:
.gw Guinea-Bissau26
.axAland Islands28
.wfWallis and Futuna Islands30
.ytMayotte34
.sjSvalbard and Jan Mayen Islands37
.mobiConsumers and providers of mobile products and services37
.ehWestern Sahara53
.mhMarshall Islands53
.bvBouvet Island55
.apAfrican Regional Industrial Property Organization68
.catCatalan linguistic and cultural community121
.kp Korea, Democratic People’s Republic122
.iq Iraq133
.um United States Minor Outlying Islands140
.arpaTechnical infrastructure on the web162
.pmSaint Pierre and Miquelon184
.gbUnited Kingdom186
.csSerbia and Montenegro316
.tdChad332
.soSomalia512
Page amounts from all of the top level domains looked up in Google:
These are in alphabetical order within two groups. The generic top level domains (three letters or more) and special “arpa” domain first, and then the country code domains (two letters).
.aeroAir-transport industry342,000
.arpaTechnical infrastructure on the web162
.bizBusinesses6,870,000
.catCatalan linguistic and cultural community121
.comCommercial4,860,000,000
.coopCooperative associations1,360,000
.eduUS accredited postsecondary institutions1,550,000,000
.govUnited States Government1,060,000,000
.infoInformation21,900,000
.jobsHuman resource managers695
.milUnited States Military28,400,000
.mobiConsumers and providers of mobile products and services37
.museumMuseums280,000
.nameIndividuals3,220,000
.netNetwork services206,000,000
.orgNoncommercial1,950,000,000
.proCredentialed professionals101,000
.travelTravel industry12,400
.acAscension Island2,060,000
.adAndorra321,000
.aeUnited Arab Emirates3,310,000
.afAfghanistan101,000
.agAntigua and Barbuda1,310,000
.aiAnguilla149,000
.alAlbania389,000
.amArmenia2,080,000
.anNetherlands Antilles78,100
.aoAngola153,000
.apAfrican Regional Industrial Property Organization68
.aqAntarctica36,000
.arArgentina10,700,000
.asAmerican Samoa1,220,000
.atAustria23,000,000
.auAustralia91,000,000
.awAruba34,400
.azAzerbaijan1,340,000
.axAland Islands28
.baBosnia and Herzegovina2,760,000
.bbBarbados131,000
.bdBangladesh342,000
.beBelgium25,100,000
.bfBurkina Faso239,000
.bgBulgaria3,480,000
.bhBahrain241,000
.biBurundi60,600
.bjBenin36,200
.bmBermuda238,000
.bnBrunei Darussalam157,000
.boBolivia1,590,000
.brBrazil25,800,000
.bsBahamas37,700
.btBhutan123,000
.bvBouvet Island55
.bwBotswana244,000
.byBelarus2,540,000
.bzBelize2,790,000
.caCanada165,000,000
.ccCocos (Keeling) Islands4,050,000
.cdCongo, The Democratic Republic of the475,000
.cfCentral African Republic703
.cgCongo, Republic of193,000
.chSwitzerland62,100,000
.ciCote d’Ivoire95,200
.ckCook Islands43,300
.clChile18,500,000
.cmCameroon119,000
.cnChina26,700,000
.coColombia4,270,000
.crCosta Rica2,060,000
.csSerbia and Montenegro316
.cuCuba2,040,000
.cvCape Verde81,900
.cxChristmas Island1,830,000
.cyCyprus2,500,000
.czCzech Republic18,800,000
.deGermany145,000,000
.djDjibouti150,000
.dkDenmark19,700,000
.dmDominica30,100
.doDominican Republic1,510,000
.dzAlgeria326,000
.ecEcuador2,580,000
.eeEstonia6,790,000
.egEgypt2,990,000
.ehWestern Sahara53
.erEritrea15,800
.esSpain31,000,000
.etEthiopia142,000
.euEuropean Union45,100
.fiFinland28,100,000
.fjFiji466,000
.fkFalkland Islands (Malvinas)10,500
.fmMicronesia, Federal State of4,580,000
.foFaroe Islands623,000
.frFrance96,700,000
.gaGabon17,900
.gbUnited Kingdom186
.gdGrenada13,600
.geGeorgia2,480,000
.gfFrench Guiana926
.ggGuernsey322,000
.ghGhana107,000
.giGibraltar193,000
.glGreenland526,000
.gmGambia59,300
.gnGuinea18,700
.gpGuadeloupe980
.gqEquatorial Guinea1,450
.grGreece13,500,000
.gsSouth Georgia and the South Sandwich Islands772,000
.gtGuatemala904,000
.guGuam12,800
.gwGuinea-Bissau26
.gyGuyana68,700
.hkHong Kong9,510,000
.hmHeard and McDonald Islands194,000
.hnHonduras628,000
.hrCroatia/Hrvatska6,080,000
.htHaiti17,700
.huHungary18,500,000
.idIndonesia2,850,000
.ieIreland17,000,000
.ilIsrael17,800,000
.imIsle of Man276,000
.inIndia9,330,000
.ioBritish Indian Ocean Territory108,000
.iqIraq133
.irIran, Islamic Republic of2,940,000
.isIceland5,310,000
.itItaly55,200,000
.jeJersey202,000
.jmJamaica290,000
.joJordan601,000
.jpJapan139,000,000
.keKenya301,000
.kgKyrgyzstan1,440,000
.khCambodia262,000
.kiKiribati427,000
.kmComoros533
.knSaint Kitts and Nevis9,830
.kpKorea, Democratic People’s Republic122
.krKorea, Republic of13,700,000
.kwKuwait356,000
.kyCayman Islands172,000
.kzKazakhstan2,680,000
.laLao People’s Democratic Republic932,000
.lbLebanon1,890,000
.lcSaint Lucia86,400
.liLiechtenstein3,990,000
.lkSri Lanka1,770,000
.lrLiberia588
.lsLesotho81,900
.ltLithuania6,040,000
.luLuxembourg4,940,000
.lvLatvia6,970,000
.lyLibyan Arab Jamahiriya388,000
.maMorocco3,030,000
.mcMonaco307,000
.mdMoldova, Republic of3,230,000
.mgMadagascar255,000
.mhMarshall Islands53
.mkMacedonia, The Former Yugoslav Republic of2,980,000
.mlMali73,500
.mmMyanmar367,000
.mnMongolia1,160,000
.moMacau1,310,000
.mpNorthern Mariana Islands861,000
.mqMartinique19,000
.mrMauritania210,000
.msMontserrat2,160,000
.mtMalta1,650,000
.muMauritius651,000
.mvMaldives125,000
.mwMalawi87,000
.mxMexico13,700,000
.myMalaysia4,610,000
.mzMozambique288,000
.naNamibia1,650,000
.ncNew Caledonia265,000
.neNiger151,000
.nfNorfolk Island54,900
.ngNigeria101,000
.niNicaragua4,240,000
.nlNetherlands45,700,000
.noNorway32,300,000
.npNepal1,910,000
.nrNauru466,000
.nuNiue5,100,000
.nzNew Zealand18,500,000
.omOman204,000
.paPanama1,040,000
.pePeru2,740,000
.pfFrench Polynesia240,000
.pgPapua New Guinea211,000
.phPhilippines4,080,000
.pkPakistan3,180,000
.plPoland20,100,000
.pmSaint Pierre and Miquelon184
.pnPitcairn Island80,900
.prPuerto Rico1,920,000
.psPalestinian Territories559,000
.ptPortugal9,100,000
.pwPalau3,010,000
.pyParaguay962,000
.qaQatar259,000
.reReunion Island146,000
.roRomania7,990,000
.ruRussian Federation67,900,000
.rwRwanda131,000
.saSaudi Arabia2,770,000
.sbSolomon Islands11,800
.scSeychelles949,000
.sdSudan11,700
.seSweden39,000,000
.sgSingapore8,770,000
.shSaint Helena547,000
.siSlovenia4,420,000
.sjSvalbard and Jan Mayen Islands37
.skSlovak Republic8,040,000
.slSierra Leone13,800
.smSan Marino225,000
.snSenegal503,000
.soSomalia512
.srSuriname242,000
.stSao Tome and Principe2,490,000
.svEl Salvador1,320,000
.sySyrian Arab Republic115,000
.szSwaziland81,500
.tcTurks and Caicos Islands2,610,000
.tdChad332
.tfFrench Southern Territories777,000
.tgTogo36,000
.thThailand6,470,000
.tjTajikistan153,000
.tkTokelau2,170,000
.tlTimor-Leste18,100
.tmTurkmenistan136,000
.tnTunisia1,060,000
.toTonga2,490,000
.tpEast Timor151,000
.trTurkey8,310,000
.ttTrinidad and Tobago1,170,000
.tvTuvalu7,170,000
.twTaiwan14,000,000
.tzTanzania405,000
.uaUkraine6,820,000
.ugUganda337,000
.ukUnited Kingdom473,000,000
.umUnited States Minor Outlying Islands140
.usUnited States68,300,000
.uyUruguay2,020,000
.uzUzbekistan2,610,000
.vaHoly See (Vatican City State)852,000
.vcSaint Vincent and the Grenadines239,000
.veVenezuela3,050,000
.vgVirgin Islands, British882,000
.viVirgin Islands, U.S.202,000
.vnVietnam2,490,000
.vuVanuatu5,050,000
.wfWallis and Futuna Islands30
.wsWestern Samoa3,000,000
.yeYemen93,800
.ytMayotte34
.yuYugoslavia3,270,000
.zaSouth Africa16,400,000
.zmZambia324,000
.zwZimbabwe507,000
The total number of documents returned was 11,828,505,634. That’s likely an approximation, since there seems to be a lot of rounding going on, but it’s about as large a number as I expected to see.

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Thursday, March 8, 2012

Backorder Domain Names at BackOrderZone.com | Backorder Domain Names: Top-level domain by Wikipedia

Backorder Domain Names at BackOrderZone.com | Backorder Domain Names: Top-level domain by Wikipedia: Top-level domain From Wikipedia, the free encyclopedia Jump to: navigation , search "TLD" redirects here. For other...

Top-level domain by Wikipedia

Top-level domain

From Wikipedia, the free encyclopedia
Jump to: navigation, search
A top-level domain (TLD) is one of the domains at the highest level in the hierarchical Domain Name System of the Internet.[1] The top-level domain names are installed in the root zone of the name space. For all domains in lower levels, it is the last part of the domain name, that is, the last label of a fully qualified domain name. For example, in the domain name www.example.com, the top-level domain is .com (or .COM, as domain names are not case-sensitive). Management of most top-level domains is delegated to responsible organizations by the Internet Corporation for Assigned Names and Numbers (ICANN), which operates the Internet Assigned Numbers Authority (IANA) and is in charge of maintaining the DNS root zone.

Contents

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History

Originally, the top-level domain space was organized into three main groups,[2] Countries, Categories, and Multiorganizations. An additional temporary group consisted only of the initial DNS domain,[3] arpa, intended for transitional purposes toward the stabilization of the domain name system.
In the growth of the Internet, it became desirable to create additional generic top-level domains. Some of the initial domains' purposes were also generalized, modified, or assigned for maintenance to special organizations affiliated with the intended purpose.

Types of TLDs

IANA today distinguishes the following groups of top-level domains:[4]
Countries are designated in the Domain Name System by their two-letter ISO country code;[5] there are exceptions, however (e.g., .uk). This group of domains is therefore commonly known as country-code top-level domains (ccTLD). Since 2009, countries with non-Latin based alphabets or scripting systems may apply for internationalized country code top-level domain names, which are displayed in end-user applications in their language-native script or alphabet, but use a Punycode-translated ASCII domain name in the Domain Name System.
Generic top-level domains (formerly Categories) initially consisted of GOV, EDU, COM, MIL, ORG, and NET. More generic TLDs have been added, such as info.
The authoritative list of currently existing TLDs in the root zone is published at the IANA website at http://www.iana.org/domains/root/db/.

Internationalized country code TLDs

An internationalized country code top-level domain (IDN ccTLD) is a top-level domain with a specially encoded domain name that is displayed in an end user application, such as a web browser, in its language-native script or alphabet, such as the Arabic alphabet, or a non-alphabetic writing system, such as Chinese characters. IDN ccTLDs are an application of the internationalized domain name (IDN) system to top-level Internet domains assigned to countries, or independent geographic regions.
ICANN started to accept applications for IDN ccTLDs in November 2009,[6] and installed the first set into the Domain Names System in May 2010. The first set was a group of Arabic names for the countries of Egypt, Saudi Arabia, and the United Arab Emirates. By May 2010, 21 countries had submitted applications to ICANN, representing 11 scripts.[7]

IDN test domains

In the process of testing internationalized top-level domains, ICANN implemented a set of IDN top-level domains that are translations of the name example.test into each language's script.
DNS name Link Script Language
xn--mgbh0fb.xn--kgbechtv http://مثال.إختبار Arabic Arabic
xn--fsqu00a.xn--0zwm56d http://例子.测试 Simplified Chinese Chinese
xn--fsqu00a.xn--g6w251d http://例子.測試 Traditional Chinese Chinese
xn--hxajbheg2az3al.xn--jxalpdlp http://παράδειγμα.δοκιμή Greek Greek
xn--p1b6ci4b4b3a.xn--11b5bs3a9aj6g http://उदाहरण.परीक्षा Devanagari Hindi
xn--r8jz45g.xn--zckzah http://例え.テスト Kanji, Hiragana, Katakana Japanese
xn--9n2bp8q.xn--9t4b11yi5a http://실례.테스트 Hangul Korean
xn--mgbh0fb.xn--hgbk6aj7f53bba http://مثال.آزمایشی Perso-Arabic Persian
xn--e1afmkfd.xn--80akhbyknj4f http://пример.испытание Cyrillic Russian
xn--zkc6cc5bi7f6e.xn--hlcj6aya9esc7a http://உதாரணம்.பரிட்சை Tamil Tamil
xn--6dbbec0c.xn--deba0ad http://דוגמה.טסט Hebrew Hebrew
xn--fdbk5d8ap9b8a8d.xn--deba0ad http://בײַשפּיל.טעסט Hebrew Yiddish

Infrastructure domain

The domain arpa was the first Internet top-level domain. It was intended to be used only temporarily, aiding in the transition of traditional ARPANET host names to the domain name system. However, after it had been used for reverse DNS lookup, it was found impractical to retire it, and is used today exclusively for Internet infrastructure purposes such as in-addr.arpa for IPv4 and ip6.arpa for IPv6 reverse DNS resolution, uri.arpa and urn.arpa for the Dynamic Delegation Discovery System, and e164.arpa for telephone number mapping based on NAPTR DNS records. For historical reasons, arpa is sometimes considered to be a generic top-level domain.

Reserved domains

RFC 2606 reserves the following four top-level domain names to avoid confusion and conflict.[8] They may be used for various specific purposes however, with the intention that these should not occur in production networks within the global domain name system:
  • example: reserved for use in examples
  • invalid: reserved for use in obviously invalid domain names
  • localhost: reserved to avoid conflict with the traditional use of localhost as a hostname
  • test: reserved for use in tests

Historical domains

In the late 1980s InterNIC created the nato domain for use by NATO. NATO considered none of the then existing TLDs as adequately reflecting their status as an international organization. Soon after this addition, however, InterNIC also created the int TLD for the use by international organizations in general, and persuaded NATO to use the second level domain nato.int instead. The nato TLD, no longer used, was finally removed in July 1996.
Other historical TLDs are cs for Czechoslovakia (now cz for Czech Republic and sk for Slovak Republic), dd for East Germany (using de after reunification of Germany), yu for SFR Yugoslavia (now: ba for Bosnia and Herzegovina, hr for Croatia, me for Montenegro, mk for Macedonia, rs for Serbia and si for Slovenia), and zr for Zaire (now cd for Democratic Republic of the Congo). In contrast to these, the TLD su has remained active despite the demise of the Soviet Union that it represents.

Proposed domains

Around late 2000 when ICANN discussed and finally introduced[9] aero, biz, coop, info, museum, name, and pro TLDs, site owners argued that a similar TLD should be made available for adult and pornographic websites to settle the dispute of obscene content on the Internet and the responsibility of US service providers under the US Communications Decency Act of 1996. Several options were proposed including xxx, sex and adult.[10] As of June 2010, the .xxx TLD has received initial approval from the ICANN, based upon a proposal by the sponsoring agency for this TLD, a Florida-based company called ICM Registry.[11][12]
An older proposal[13] consisted of seven new gTLDs: arts, firm, info, nom, rec, shop, and web. Later biz, info, museum, and name covered most of these old proposals.
During the 32nd International Public ICANN Meeting in Paris in 2008,[14] ICANN started a new process of TLD naming policy to take a "significant step forward on the introduction of new generic top-level domains." This program envisions the availability of many new or already proposed domains, as well a new application and implementation process.[15] Observers believed that the new rules could result in hundreds of new gTLDs to be registered.[16] Proposed TLDs include free, music, shop, berlin, wien and nyc.

Alternative DNS roots

ICANN's slow progress in creating new generic top-level domains, and the high application costs associated with TLDs, contributed to the creation of alternate DNS roots with different sets of top-level domains. Such domains may be accessed by configuration of a computer with alternate or additional (forwarder) DNS servers or plugin modules for web browsers. Browser plugins detect alternate root domain requests and access an alternate domain name server for such requests.

Pseudo-domains

Several networks, such as BITNET, CSNET, UUCP or other networks, existed that were in widespread use among computer professionals and academic users, that were incompatible with the Internet and exchanged e-mail with the Internet via special e-mail gateways. For relaying purposes on the gateways, messages associated with these networks were labeled with suffixes such as bitnet, oz, csnet, or uucp, but these domains did not exist as top-level domains in the public Domain Name System of the Internet.
Most of these networks have long since ceased to exist, and although UUCP still gets significant use in parts of the world where Internet infrastructure has not yet become well-established, it subsequently transitioned to using Internet domain names, so pseudo-domains now largely survive as historical relics. One notable exception is the 2007 emergence of SWIFTNet Mail, which uses the swift pseudo-domain.[17]
The top-level pseudo domain local is required by the Zeroconf protocol. It is also used by many organizations internally, which may become a problem for those users as Zeroconf becomes more popular. Both site and internal have been suggested for private usage, but no consensus has emerged.[citation needed]
The anonymity network Tor has a top-level pseudo-domain onion, which can only be reached with a Tor client because it uses the Tor-protocol (onion routing) to reach the hidden service to protect the anonymity of users.

See also

Further reading

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References

  1. ^ Postel, Jon (1994-03). "Domain Name System Structure and Delegation". Request for Comments. Network Working Group. Retrieved 2011-02-07. "This memo provides some information on the structure of the names in the Domain Name System (DNS), specifically the top-level domain names; and on the administration of domains."
  2. ^ Postel, J.; Reynolds, J. (1984-10). "Domain Requirements". Request for Comments. Network Working Group. Retrieved 2011-02-07.
  3. ^ Postel, J. (1984-10). "Domain Name System Implementation Schedule - Revised". Request for Comments. Network Working Group. Retrieved 2011-02-07. "This memo is a policy statement on the implementation of the Domain Style Naming System in the Internet. This memo is an update of RFC-881, and RFC-897. This is an official policy statement of the IAB and the DARPA."
  4. ^ IANA root zone database
  5. ^ Codes for the Representation of Names of Countries, ISO-3166, International Organization for Standardization. (May 1981)
  6. ^ "ICANN Bringing the Languages of the World to the Global Internet" (Press release). Internet Corporation For Assigned Names and Numbers (ICANN). 30 October 2009. Retrieved 30 October 2009.
  7. ^ "'Historic' day as first non-Latin web addresses go live". BBC News. May 6, 2010. Retrieved 2010-05-07.
  8. ^ RFC 2606 (BCP 32), Reserved Top Level DNS Names, D. Eastlake, A. Panitz, The Internet Society (June 1999)
  9. ^ InterNIC FAQs on New Top-Level Domains
  10. ^ RFC 3675: .sex Considered Dangerous
  11. ^ For X-Rated, a Domain of Their Own
  12. ^ Sex domain .xxx approved by regulators
  13. ^ (historical) gTLD MoU
  14. ^ "32nd International Public ICANN Meeting". ICANN. 22 June 2008.
  15. ^ "New gTLD Program". ICANN. Retrieved 15 June 2009.
  16. ^ ICANN Board Approves Sweeping Overhaul of Top-level Domains, CircleID, 26 June 2008.
  17. ^ "SWIFTNet Mail n