.kr
.kr is the ccTLD for South Korea. It is managed by the Korea Internet & Security Agency (KISA).[1]
Rules and Restrictions[edit | edit source]
The ccTLD is restricted to use by companies, organizations, and individuals who have a postal address within the Republic of Korea.[2]
Second-level Domains[edit | edit source]
In the .kr domain, registration is available at the second level, or at the third level under a variety of use-restricted second level domains. As well as the SLDs listed below, there are region-specific SLDs for use by "any organization, company and/or individuals connected with that region" (seoul, busan, daegu, incheon, gwangju, daejeon, ulsan, gyeonggi, gangwon, chungbuk, chungnam, jeonbuk, jeonnam, gyeongbuk, gyeongnam, and jeju).
| SLD | Used by | Additional Requirements |
|---|---|---|
| co | commercial companies | |
| ne | network related organizations | |
| or | non-profit organizations | |
| re | research institutes | |
| pe | individuals | natural person |
| go | governmental authorities | Korean governmental authorities that are organized and exist according to the laws of Korea |
| mil | military authorities | military authorities that are organized and exist according to the laws of Korea |
| ac | college/universities | Educational institutions established according to the Framework Act on Education, the Higher Education Act, or other special Acts |
| hs | high schools | high schools that are organized and exist according to the laws of Korea |
| ms | middle schools | middle schools that are organized and exist according to the laws of Korea |
| es | elementary schools | elementary schools that are organized and exist according to the laws of Korea |
| sc | schools & educational institutes | any school or education institutes that have equal position according to the laws of Korea |
| kg | kindergarten | kindergartens that are organized and exist according to the laws of Korea |
Characters[edit | edit source]
The requirements for third level domains are as follows:
- letters of the alphabet [A to Z] or [a to z], numbers [0 to 9], and hyphens are available for use for domain names.;
- domain name shall contain a minimum of 2 characters and a maximum of 63 characters.
- domain name shall not begin or end with a hyphen. Consecutive hyphens are not allowed between the third and the fourth characters.
Requirements for second level domains are as follows:
- a second level domain name must contain Hangeul characters (2,350 characters). Letters of the alphabet [A to Z] or [a to z], numbers [0 to 9], and hyphens are also available for second level domain name use with the exception of a combination of numbers and hyphens only;
- a domain name shall contain a minimum of 3 characters and a maximum of 63 characters, unless it contains Hangeul, in which case it shall contain a minimum of 2 characters and a maximum of 17 characters;
- a domain name shall not begin or end with a hyphen. Consecutive hyphens are not allowed between the third and the fourth characters.
The requirements for hankuk domains are as follows:
- letters of the Hanguel (Korean character, 11,172), alphabet [A to Z] or [a to z], numbers [0 to 9], and hyphens are available for use for domain names. More than 1 hanguel must be included in.
- a domain name shall contain a minimum of 1 characters and a maximum of 17 characters.
- a domain name shall not begin or end with a hyphen., Consecutive hyphens are not allowed between the third and the fourth characters.[2]
Usage[edit | edit source]
As of March 2021, the .kr domain has over one million active registrations.[3]