域名后缀（Domain Name），顶级域名后缀TLD(Top Level Domain)又分为三类：一是通用顶级通用域名后缀（gTLDs），例如.com， .net， .org等。二是国家和地区顶级域名后缀（ccTLDs），例如中国是cn等。三是新顶级域名后缀（New gTLD）如通用的.xyz，.top，.red，.ren等一千多种。以下列出目前已经批准使用的全球顶级域名后缀列表，以及域名可否备案，热门注册量等相关信息供查阅。以下有 1445 种域名后缀。可以备案域名整理：https://www.tinyuxuan.com/domain/gonglue/143.html

a 开头的顶级域名
.aaa .aarp .abb .abbott .abbvie .abc .able
.abogado .abudhabi .ac .academy .accenture .accountant .accountants
.aco .actor .ad .ads .adult .ae .aeg
.aero .aetna .af .afl .africa .ag .agakhan
.agency .ai .aig .airbus .airforce .airtel .akdn
.al .alibaba .alipay .allfinanz .allstate .ally .alsace
.alstom .am .amazon .americanexpress .americanfamily .amex .amfam
.amica .amsterdam .analytics .android .anquan .anz .ao
.aol .apartments .app .apple .aq .aquarelle .ar
.arab .aramco .archi .army .arpa .art .arte
.as .asda .asia .associates .at .athleta .attorney
.au .auction .audi .audible .audio .auspost .author
.auto .autos .aw .aws .ax .axa .az
.azure
b 开头的顶级域名
.ba .baby .baidu .banamex .band .bank .bar
.barcelona .barclaycard .barclays .barefoot .bargains .baseball .basketball
.bauhaus .bayern .bb .bbc .bbt .bbva .bcg
.bcn .bd .be .beats .beauty .beer .bentley
.berlin .best .bestbuy .bet .bf .bg .bh
.bharti .bi .bible .bid .bike .bing .bingo
.bio .biz .bj .black .blackfriday .blockbuster .blog
.bloomberg .blue .bm .bms .bmw .bn .bnpparibas
.bo .boats .boehringer .bofa .bom .bond .boo
.book .booking .bosch .bostik .boston .bot .boutique
.box .br .bradesco .bridgestone .broadway .broker .brother
.brussels .bs .bt .build .builders .business .buy
.buzz .bv .bw .by .bz .bzh
c 开头的顶级域名
.ca .cab .cafe .cal .call .calvinklein .cam
.camera .camp .canon .capetown .capital .capitalone .car
.caravan .cards .care .career .careers .cars .casa
.case .cash .casino .cat .catering .catholic .cba
.cbn .cbre .cc .cd .center .ceo .cern
.cf .cfa .cfd .cg .ch .chanel .channel
.charity .chase .chat .cheap .chintai .christmas .chrome
.church .ci .cipriani .circle .cisco .citadel .citi
.citic .city .ck .cl .claims .cleaning .click
.clinic .clinique .clothing .cloud .club .clubmed .cm
.cn .co .coach .codes .coffee .college .cologne
.com .commbank .community .company .compare .computer .comsec
.condos .construction .consulting .contact .contractors .cooking .cool
.coop .corsica .country .coupon .coupons .courses .cpa
.cr .credit .creditcard .creditunion .cricket .crown .crs
.cruise .cruises .cu .cuisinella .cv .cw .cx
.cy .cymru .cyou .cz
d 开头的顶级域名
.dad .dance .data .date .dating .datsun .day
.dclk .dds .de .deal .dealer .deals .degree
.delivery .dell .deloitte .delta .democrat .dental .dentist
.desi .design .dev .dhl .diamonds .diet .digital
.direct .directory .discount .discover .dish .diy .dj
.dk .dm .dnp .do .docs .doctor .dog
.domains .dot .download .drive .dtv .dubai .dunlop
.dupont .durban .dvag .dvr .dz
e 开头的顶级域名
.earth .eat .ec .eco .edeka .edu .education
.ee .eg .email .emerck .energy .engineer .engineering
.enterprises .epson .equipment .er .ericsson .erni .es
.esq .estate .et .eu .eurovision .eus .events
.exchange .expert .exposed .express .extraspace
f 开头的顶级域名
.fage .fail .fairwinds .faith .family .fan .fans
.farm .farmers .fashion .fast .fedex .feedback .ferrari
.ferrero .fi .fidelity .fido .film .final .finance
.financial .fire .firestone .firmdale .fish .fishing .fit
.fitness .fj .fk .flickr .flights .flir .florist
.flowers .fly .fm .fo .foo .food .football
.ford .forex .forsale .forum .foundation .fox .fr
.free .fresenius .frl .frogans .frontier .ftr .fujitsu
.fun .fund .furniture .futbol .fyi
g 开头的顶级域名
.ga .gal .gallery .gallo .gallup .game .games
.gap .garden .gay .gb .gbiz .gd .gdn
.ge .gea .gent .genting .george .gf .gg
.ggee .gh .gi .gift .gifts .gives .giving
.gl .glass .gle .global .globo .gm .gmail
.gmbh .gmo .gmx .gn .godaddy .gold .goldpoint
.golf .goo .goodyear .goog .google .gop .got
.gov .gp .gq .gr .grainger .graphics .gratis
.green .gripe .grocery .group .gs .gt .gu
.gucci .guge .guide .guitars .guru .gw .gy
h 开头的顶级域名
.hair .hamburg .hangout .haus .hbo .hdfc .hdfcbank
.health .healthcare .help .helsinki .here .hermes .hiphop
.hisamitsu .hitachi .hiv .hk .hkt .hm .hn
.hockey .holdings .holiday .homedepot .homegoods .homes .homesense
.honda .horse .hospital .host .hosting .hot .hotels
.hotmail .house .how .hr .hsbc .ht .hu
.hughes .hyatt .hyundai
i 开头的顶级域名
.ibm .icbc .ice .icu .id .ie .ieee
.ifm .ikano .il .im .imamat .imdb .immo
.immobilien .in .inc .industries .infiniti .info .ing
.ink .institute .insurance .insure .int .international .intuit
.investments .io .ipiranga .iq .ir .irish .is
.ismaili .ist .istanbul .it .itau .itv
j 开头的顶级域名
.jaguar .java .jcb .je .jeep .jetzt .jewelry
.jio .jll .jm .jmp .jnj .jo .jobs
.joburg .jot .joy .jp .jpmorgan .jprs .juegos
.juniper
k 开头的顶级域名
.kaufen .kddi .ke .kerryhotels .kerrylogistics .kerryproperties .kfh
.kg .kh .ki .kia .kids .kim .kindle
.kitchen .kiwi .km .kn .koeln .komatsu .kosher
.kp .kpmg .kpn .kr .krd .kred .kuokgroup
.kw .ky .kyoto .kz
l 开头的顶级域名
.la .lacaixa .lamborghini .lamer .lancaster .land .landrover
.lanxess .lasalle .lat .latino .latrobe .law .lawyer
.lb .lc .lds .lease .leclerc .lefrak .legal
.lego .lexus .lgbt .li .lidl .life .lifeinsurance
.lifestyle .lighting .like .lilly .limited .limo .lincoln
.link .lipsy .live .living .lk .llc .llp
.loan .loans .locker .locus .lol .london .lotte
.lotto .love .lpl .lplfinancial .lr .ls .lt
.ltd .ltda .lu .lundbeck .luxe .luxury .lv
.ly
m 开头的顶级域名
.ma .madrid .maif .maison .makeup .man .management
.mango .map .market .marketing .markets .marriott .marshalls
.mattel .mba .mc .mckinsey .md .me .med
.media .meet .melbourne .meme .memorial .men .menu
.merckmsd .mg .mh .miami .microsoft .mil .mini
.mint .mit .mitsubishi .mk .ml .mlb .mls
.mm .mma .mn .mo .mobi .mobile .moda
.moe .moi .mom .monash .money .monster .mormon
.mortgage .moscow .moto .motorcycles .mov .movie .mp
.mq .mr .ms .msd .mt .mtn .mtr
.mu .museum .music .mv .mw .mx .my
.mz
n 开头的顶级域名
.na .nab .nagoya .name .navy .nba .nc
.ne .nec .net .netbank .netflix .network .neustar
.new .news .next .nextdirect .nexus .nf .nfl
.ng .ngo .nhk .ni .nico .nike .nikon
.ninja .nissan .nissay .nl .no .nokia .norton
.now .nowruz .nowtv .np .nr .nra .nrw
.ntt .nu .nyc .nz
o 开头的顶级域名
.obi .observer .office .okinawa .olayan .olayangroup .ollo
.om .omega .one .ong .onl .online .ooo
.open .oracle .orange .org .organic .origins .osaka
.otsuka .ott .ovh
p 开头的顶级域名
.pa .page .panasonic .paris .pars .partners .parts
.party .pay .pccw .pe .pet .pf .pfizer
.pg .ph .pharmacy .phd .philips .phone .photo
.photography .photos .physio .pics .pictet .pictures .pid
.pin .ping .pink .pioneer .pizza .pk .pl
.place .play .playstation .plumbing .plus .pm .pn
.pnc .pohl .poker .politie .porn .post .pr
.pramerica .praxi .press .prime .pro .prod .productions
.prof .progressive .promo .properties .property .protection .pru
.prudential .ps .pt .pub .pw .pwc .py
q 开头的顶级域名
.qa .qpon .quebec .quest
r 开头的顶级域名
.racing .radio .re .read .realestate .realtor .realty
.recipes .red .redstone .redumbrella .rehab .reise .reisen
.reit .reliance .ren .rent .rentals .repair .report
.republican .rest .restaurant .review .reviews .rexroth .rich
.richardli .ricoh .ril .rio .rip .ro .rocks
.rodeo .rogers .room .rs .rsvp .ru .rugby
.ruhr .run .rw .rwe .ryukyu
s 开头的顶级域名
.sa .saarland .safe .safety .sakura .sale .salon
.samsclub .samsung .sandvik .sandvikcoromant .sanofi .sap .sarl
.sas .save .saxo .sb .sbi .sbs .sc
.scb .schaeffler .schmidt .scholarships .school .schule .schwarz
.science .scot .sd .se .search .seat .secure
.security .seek .select .sener .services .seven .sew
.sex .sexy .sfr .sg .sh .shangrila .sharp
.shell .shia .shiksha .shoes .shop .shopping .shouji
.show .si .silk .sina .singles .site .sj
.sk .ski .skin .sky .skype .sl .sling
.sm .smart .smile .sn .sncf .so .soccer
.social .softbank .software .sohu .solar .solutions .song
.sony .soy .spa .space .sport .spot .sr
.srl .ss .st .stada .staples .star .statebank
.statefarm .stc .stcgroup .stockholm .storage .store .stream
.studio .study .style .su .sucks .supplies .supply
.support .surf .surgery .suzuki .sv .swatch .swiss
.sx .sy .sydney .systems .sz
t 开头的顶级域名
.tab .taipei .talk .taobao .target .tatamotors .tatar
.tattoo .tax .taxi .tc .tci .td .tdk
.team .tech .technology .tel .temasek .tennis .teva
.tf .tg .th .thd .theater .theatre .tiaa
.tickets .tienda .tips .tires .tirol .tj .tjmaxx
.tjx .tk .tkmaxx .tl .tm .tmall .tn
.to .today .tokyo .tools .top .toray .toshiba
.total .tours .town .toyota .toys .tr .trade
.trading .training .travel .travelers .travelersinsurance .trust .trv
.tt .tube .tui .tunes .tushu .tv .tvs
.tw .tz
u 开头的顶级域名
.ua .ubank .ubs .ug .uk .unicom .university
.uno .uol .ups .us .uy .uz
v 开头的顶级域名
.va .vacations .vana .vanguard .vc .ve .vegas
.ventures .verisign .verm?gensberater .verm?gensberatung .versicherung .vet .vg
.vi .viajes .video .vig .viking .villas .vin
.vip .virgin .visa .vision .viva .vivo .vlaanderen
.vn .vodka .volvo .vote .voting .voto .voyage
.vu
w 开头的顶级域名
.wales .walmart .walter .wang .wanggou .watch .watches
.weather .weatherchannel .webcam .weber .website .wed .wedding
.weibo .weir .wf .whoswho .wien .wiki .williamhill
.win .windows .wine .winners .wme .wolterskluwer .woodside
.work .works .world .wow .ws .wtc .wtf
x 开头的顶级域名
.xbox .xerox .xihuan .xin .xxx .xyz
y 开头的顶级域名
.yachts .yahoo .yamaxun .yandex .ye .yodobashi .yoga
.yokohama .you .youtube .yt .yun
z 开头的顶级域名
.za .zappos .zara .zero .zip .zm .zone
.zuerich .zw
其它 的顶级域名
.ελ .ευ .бг .бел .дети .ею .католик
.ком .мкд .мон .москва .онлайн .орг .рус
.рф .сайт .срб .укр .қаз .հայ .कॉम
.नेट .भारत .भारतम् .भारोत .संगठन .বাংলা .ভারত
.ভাৰত .ਭਾਰਤ .ભારત .ଭାରତ .இந்தியா .இலங்கை .சிங்கப்பூர்
.భారత్ .ಭಾರತ .ഭാരതം .ලංකා .คอม .ไทย .ລາວ
.გე .‏.ישראל‎ .‏.קום‎ .‏.ابوظبي‎ .‏.ارامكو‎ .‏.الاردن‎ .‏.البحرين‎
.‏.الجزائر‎ .‏.السعودية‎ .‏.العليان‎ .‏.المغرب‎ .‏.امارات‎ .‏.ایران‎ .‏.بارت‎
.‏.بازار‎ .‏.بيتك‎ .‏.بھارت‎ .‏.تونس‎ .‏.سودان‎ .‏.سورية‎ .‏.شبكة‎
.‏.عراق‎ .‏.عرب‎ .‏.عمان‎ .‏.فلسطين‎ .‏.قطر‎ .‏.كاثوليك‎ .‏.كوم‎
.‏.مصر‎ .‏.مليسيا‎ .‏.موريتانيا‎ .‏.موقع‎ .‏.همراه‎ .‏.پاکستان‎ .‏.ڀارت‎
.みんな .アマゾン .クラウド .グーグル .コム .ストア .セール
.ファッション .ポイント .世界 .中信 .中国 .中國 .中文网
.亚马逊 .企业 .佛山 .信息 .健康 .八卦 .公司
.公益 .台湾 .台灣 .商城 .商店 .商标 .嘉里
.嘉里大酒店 .在线 .大拿 .天主教 .娱乐 .家電 .广东
.微博 .慈善 .我爱你 .手机 .招聘 .政务 .政府
.新加坡 .新闻 .时尚 .書籍 .机构 .淡马锡 .游戏
.澳門 .点看 .移动 .组织机构 .网址 .网店 .网站
.网络 .联通 .谷歌 .购物 .通販 .集团 .電訊盈科
.飞利浦 .食品 .餐厅 .香格里拉 .香港 .닷넷 .닷컴
.삼성 .한국