.cn
 | |
| Introduced | 28 November 1990[1] |
|---|---|
| TLDtype | Country code top-level domain |
| Status | Active |
| Registry | China Internet Network Information Center |
| Sponsor | Chinese Academy of Sciences |
| Intended use | Entities connected withChina |
| Actual use | Very popular in mainland China[2] |
| Registered domains | 20,125,764 (2023-12-31)[3] |
| Structure | Names may be registered directly at the second level or at the third level within generic second-level categories or Chinese province codes |
| Documents | China Internet Domain Name Regulations |
| Dispute policies | China ccTLD Dispute Resolution PolicyandChina ccTLD Dispute Resolution Policy Rules |
| Registry website | CNNIC(General) |
.cnis thecountry code top-level domain(ccTLD) for thePeople's Republic of China.Introduced on 28 November 1990, the domain is administered byChina Internet Network Information Center,a public institution affiliated with theMinistry of Industry and Information.The domain is the largest ccTLD in the world.[4]
TheChinese scriptinternationalized country codesare ".Trung Quốc"(" China "in Simplified Chinese) and".Trung Quốc"(" China "in Traditional Chinese). Entities connected toHong Kong,Macau,andTaiwantypically use.hk,.mo,and.tw,respectively,[5]despite the availability of corresponding second-level domains under.cn for those regions.
Second-level domains[edit]
Generic second-level domains[edit]
According to the "China Internet Domain Name System" published by theMinistry of Industry and Information Technology,there are 9 generic second-level domains, two of which are internationalized:[6]
- ac.cn: Scientific research institutions
- com.cn: Industrial, commercial, financial, and other enterprises
- edu.cn: Education institutions(registration restricted)
- gov.cn: Chinese government organizations(registration restricted)
- mil.cn: Chinese national defense organizations(registration restricted)
- net.cn: Organizations providing Internet services
- org.cn: Not-for-profit organizations
- Chính vụ.cn: Party and government services(registration restricted)
- Công ích.cn: Not-for-profit organizations(non-profit organization registration required)
Second-level domains of Administrative Divisions[edit]
The two-letter abbreviations correlate withISO 3166-2"Codes for the representation of names of countries and their subdivisions—Part 2: Country subdivision code" (adapted locally asNational StandardGB/T 2659.2[7]). According to the "China Internet Domain Name System"[8]published by theMinistry of Industry and Information Technology,there are 34 administrative division second-level domains:
- ah.cn:Anhui Province
- bj.cn:Beijing Municipality
- cq.cn:Chongqing Municipality
- fj.cn:Fu gian Province
- gd.cn:Guangdong Province
- gs.cn:Gansu Province
- gz.cn:Guizhou Province
- gx.cn:Guangxi Province
- ha.cn:Henan Province
- hb.cn:Hubei Province
- he.cn:Hebei Province
- hi.cn:Hainan Province
- hk.cn:Hong Kong Special Administrative Region
- hl.cn:Heilong gian g Province
- hn.cn:Hunan Province
- jl.cn:Jilin Province
- js.cn:Jiangsu Province
- jx.cn:Jiangxi Province
- ln.cn:Liaoning Province
- mo.cn:Macao Special Administrative Region
- nm.cn:Nei Mongol Autonomous Region
- nx.cn:Ningxia Hui Autonomous Region
- qh.cn:Qinghai Province
- sc.cn:Sichuan Province
- sd.cn:Shandong Province
- sh.cn:Shanghai Municipality
- sn.cn:Shaanxi Province
- sx.cn:Shanxi Province
- tj.cn:Tianjin Municipality
- tw.cn:Taiwan Province
- xj.cn:Xin gian g Uygur Autonomous Region
- xz.cn:Xizang Autonomous Region
- yn.cn:Yunnan Province
- zj.cn:Zhe gian g Province
Internationalized domain names[edit]
Internationalized domain nameswith Chinese characters may be registered at the second level under the.cntop-level domain.
On 25 June 2010,ICANNapproved the use of theinternationalized country code top-level domains".Trung Quốc" (Chinainsimplified Chinese characters,DNS namexn--fiqs8s) and ". Trung Quốc" (Chinaintraditional Chinese characters,DNS namexn--fiqz9s) by CNNIC.[9]These two TLDs were added to the DNS in July 2010.
CNNIC proposed around this time Chinesedomain namesin ". Công ty" ( "" in Chinese) and ". Internet" ( ".net" in Chinese). However, these have not been recognized byICANNyet and are only available via domesticdomain name registrars.
Around 15 other generic domain names with Chinese characters have later been registered. SeeList of Internet top-level domains#Chinese characters.
See also[edit]
References[edit]
- ^"The Internet Timeline of China 1986~2003".China Internet Network Information Center.Retrieved2023-04-18.
- ^DENIC(July 2017)."Comparison of international Domain Numbers Top 10 largest TLDs list".Archived fromthe originalon 2017-07-07.Retrieved2017-07-25.
- ^"The 53rd Statistical Report on China's Internet Development"(PDF).China Internet Network Information Center.2024-03-25.Archived(PDF)from the original on 2024-03-29.Retrieved2024-04-03.
- ^"Leading ccTLDs by number of domains 2023".Statista.Retrieved2023-10-12.
- ^"Country domains: a comprehensive ccTLD list".IONOS Digital Guide.2020-09-16.Retrieved2023-10-12.
- ^Trung Quốc internet vực danh hệ thống.Công nghiệp cùng tin tức hóa bộ vực danh ngành sản xuất quản lý tin tức công kỳ.Retrieved2023-01-18.
- ^Từng kiến huân; Lưu Xuân yến; Triệu Kỳ; Lý học quân (2022-12-30).Thế giới các quốc gia cùng khu vực và khu hành chính hoa tên số hiệu đệ 2 bộ phận: Khu hành chính hoa số hiệu.Cả nước tiêu chuẩn tin tức công cộng phục vụ ngôi cao.Retrieved2023-04-18.
- ^Trung Quốc internet vực danh hệ thống.Công nghiệp cùng tin tức hóa bộ vực danh ngành sản xuất quản lý tin tức công kỳ.Retrieved2023-01-18.
- ^"Adopted Board Resolutions".Brussels: ICANN. 25 June 2010.Retrieved2012-01-15.