What is a first-level domain name

First-level domain names are also called top-level domain names. Common ones include [.com], [.org], [.net], [.cn], etc. A domain name consists of two or more groups of ASCII or national language characters, with each group of characters separated by a period.

#The first-level domain name contains only one ".", and there must be a content field to the left of ".". The right side of the last dot is called the first-level domain name, the left side is called the second-level domain name, and so on, the second-level and third-level domain names, and the first-level domain name is also called the top-level domain name.

Top-level domain name suffix list:

.com: Indicates commercial institutions

.top: Indicates top-level, high-end, career breakthrough

.xyz: Indicates creativity and innovation, three-dimensional space, no limits

.cx: Indicates innovation and integrity

.red: Indicates auspiciousness, enthusiasm and diligence

.net: Indicates a network service organization

.org: Indicates a non-profit organization

.gov: Indicates a government agency

.edu: Indicates an educational institution

.mil : Indicates military organization

.biz: Indicates commercial organization

.name: Indicates personal website

.info: Indicates information provision

.mobi: Exclusive Mobile domain name

. Country abbreviation (such as .cn): Indicates enterprises or individuals within the country

Related knowledge:

Sites on the Internet are like Every institution or family in our lives must have an address, and netizens can access it based on this address. The computer's identity is a 32-bit binary code, also known as an IP address. In order to facilitate memory, the names given to computers on the Internet according to certain rules are called domain names.

There are no duplicate domain names in the world. The form of a domain name is composed of several English letters and numbers, separated into several parts by "." In international domain names, 26 English letters (including suffixes) and 10 Arabic numerals and the horizontal bar "-" can be used in the domain name composition, and there is no difference in the upper and lower case of the letters. Each level cannot exceed 22 letters at most.

International domain names are managed and managed by the Internet Corporation for Assigned Names and Numbers (ICANN), the International Domain Name Management Center. Domain names ending with .cn are managed by the Office of the State Council Information Leading Group and are specifically responsible for CNNIC

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