🔍

首页Home › 网络工具Network & Web

🌍 顶级域名后缀大全(.com / .cn / .io / .ai)Top-Level Domain List — gTLD & ccTLD

收录约 120 个常用顶级域名:通用顶级域、限制注册的赞助域、新通用顶级域(.app .dev .shop 等)、国家和地区代码(含 .io .ai .tv .me .gd 等常被“借用”的后缀)和中文域名,标明类型、含义和常见用途,可按后缀或含义搜索。About 120 common TLDs — generic, sponsored/restricted, new gTLDs (.app, .dev, .shop…), country codes (including .io, .ai, .tv, .me, .gd) and Chinese IDNs — with type, meaning and typical use, searchable by suffix or meaning.

顶级域名由 ICANN/IANA 统一管理。国家和地区代码(ccTLD)按 ISO 3166 两位代码分配,很多被当作“好记的后缀”对外开放注册,例如 .io、.ai、.tv、.me,本站 .gd 是格林纳达。注册政策、价格和实名要求随注册局变化,请以注册商页面为准。Top-level domains are coordinated by ICANN/IANA. Country codes (ccTLDs) follow ISO 3166 and many are marketed as catchy suffixes — .io, .ai, .tv, .me; this site’s .gd is Grenada. Registration rules, prices and ID requirements depend on the registry — check your registrar.

使用说明与常见问题How-to & FAQ

「顶级域名后缀大全(.com / .cn / .io / .ai)」是什么?What is the Top-Level Domain List — gTLD & ccTLD?

收录约 120 个常用顶级域名:通用顶级域、限制注册的赞助域、新通用顶级域(.app .dev .shop 等)、国家和地区代码(含 .io .ai .tv .me .gd 等常被“借用”的后缀)和中文域名,标明类型、含义和常见用途,可按后缀或含义搜索。About 120 common TLDs — generic, sponsored/restricted, new gTLDs (.app, .dev, .shop…), country codes (including .io, .ai, .tv, .me, .gd) and Chinese IDNs — with type, meaning and typical use, searchable by suffix or meaning.

如何使用「顶级域名后缀大全(.com / .cn / .io / .ai)」?How do I use the Top-Level Domain List — gTLD & ccTLD?

在搜索框输入后缀(如 io)或中文含义(如 科技),也可以按类型筛选。Search by suffix (e.g. io) or meaning (e.g. tech), or filter by type.

.io 和 .ai 是哪个国家的?Which countries are .io and .ai?

.io 是英属印度洋领地,.ai 是安圭拉,它们都是国家和地区代码,但因为好记被大量科技、AI 公司使用。.io is the British Indian Ocean Territory and .ai is Anguilla — country codes widely used by tech and AI companies because they are catchy.

.app 和 .dev 有什么特别?What’s special about .app and .dev?

这两个后缀被列入浏览器 HSTS 预加载名单,网站必须使用 HTTPS 才能访问。They are on the browser HSTS preload list, so sites must use HTTPS.

「顶级域名后缀大全(.com / .cn / .io / .ai)」免费吗?文件会上传吗?Is the Top-Level Domain List — gTLD & ccTLD free? Are my files uploaded?

「顶级域名后缀大全(.com / .cn / .io / .ai)」完全免费,无需注册。你输入的内容只在本机浏览器里处理(部分设置会保存在本机方便下次使用),不会上传到任何服务器。The Top-Level Domain List — gTLD & ccTLD is free with no sign-up. What you enter is processed only in this browser (some settings are kept locally for next time) and is never uploaded.

相关工具Related tools

🔎 Whois 域名查询Whois / RDAP Lookup🧭 DNS 查询(A / MX / TXT / CNAME 记录)DNS Lookup — A, AAAA, MX, TXT, CNAME, NS🌐 Punycode 中文域名转换Punycode Converter (IDN)⏳ 域名年龄查询(批量)Domain Age Checker🧮 子网掩码计算器IPv4 Subnet Calculator (CIDR)☎️ 全国固定电话长途区号查询China Landline Area Codes

← 全部工具All tools