后缀百科 · 域名策略
域名博客与后缀百科
注册前先研究后缀：注册局、WHOIS/RDAP 和域名服务器，资料来自公开的 IANA 根区数据库，并附有给买家和本地搜索团队的说明。
1596
后缀介绍页
1252
通用后缀
316
国家后缀
2026-07-22
目录日期
About domain extensions
Who runs the registry, WHOIS/RDAP servers, and registration norms.
.aaa
gTLD
American Automobile Association, Inc.
.aarp
gTLD
AARP
.abarth
gTLD
.abb
gTLD
ABB Ltd
.abbott
gTLD
Abbott Laboratories, Inc.
.abbvie
gTLD
AbbVie Inc.
.abc
gTLD
Disney Enterprises, Inc.
.able
gTLD
Able Inc.
.abogado
gTLD
Registry Services, LLC
.abudhabi
gTLD
Abu Dhabi Systems and Information Centre
.ac
ccTLD
Internet Computer Bureau Limited
.academy
gTLD
Binky Moon, LLC
.accenture
gTLD
Accenture plc
.accountant
gTLD
dot Accountant Limited
.accountants
gTLD
Binky Moon, LLC
.aco
gTLD
ACO Severin Ahlmann GmbH & Co. KG
.active
gTLD
.actor
gTLD
Dog Beach, LLC
.ad
ccTLD
Andorra Telecom
.adac
gTLD
.ads
gTLD
Charleston Road Registry Inc.
.adult
gTLD
ICM Registry AD LLC
.ae
ccTLD
Telecommunications and Digital Government Regulatory Authority (TDRA)
.aeg
gTLD
Aktiebolaget Electrolux
Strategy notes
Product updates, naming frameworks, and registrar comparisons. Editorial posts expand alongside the TLD encyclopedia.
Choosing a domain
Practical guide to brandable names, TLDs, and availability.
Domain extensions explained
How gTLDs, ccTLDs, and new extensions differ for founders.
Price comparison
Regular registration, renewal, and transfer prices across registrars.
WHOIS lookup
Live RDAP data plus free status-change email watches.