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This article mainly explains "what are the categories of domain names". The content of the explanation in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn what classification of domain names.

What is the domain name? I believe that the webmaster friends who built the station are very clear:

A domain name is the name of a computer or computer group on Internet, consisting of a string of dot-separated names, used to identify the electronic location of the computer during data transmission (sometimes refers to geographical location, geographical domain name, refers to a local area with administrative autonomy). The domain name puts a mask on an IP address. The purpose of a domain name is to be the address of a group of servers (website, email, FTP, etc.) that are easy to remember and communicate. The first domain name registered in the world was registered in January 1985.

At present, there are three types of top-level domain names in the domain name system on the Internet: category top-level domain name, geographical top-level domain name, and new top-level domain name:

1. There are seven category domain names (colloquial international domain names), which are now commonly referred to as international domain names. Since Internet originally originated in the United States, the earliest domain names do not have a national identity, and people divide them into several categories by purpose, ending with different suffixes: .com (for commercial companies); .net (for network services); .org (for organizing associations, etc.); .gov (for government departments); .edu (for educational institutions); .mil (for the military). .int (for international organizations).

two。 Is a country domain name (geographic top-level domain name), with a total of 243 country codes, such as .CN for China, .UK for the United Kingdom, and .US for the United States. Among them, .cn is a special top-level domain name in China, and its registration is managed by CNNIC. The second-level domain name ending with .cn is called domestic domain name for short. The rules and policies for registering second-level domain names under country code top-level domain names are related to the policies of different countries.

3. It is a new top-level domain name registration, that is, the so-called "new top-level domain name". According to the needs of the development of the Internet, ICANN made a decision in November 2000 to start using international top-level domain names in 2001, which also includes seven categories: biz, info,name,pro,aero, coop, museum. Among them, the first four are non-restrictive domains, and the last three are restrictive domains. For example, aero needs to be registered by an airline company, museum needs to be a museum, and coop needs to be registered as a collective enterprise (not controlled by investors and does not need to maximize profits).

Thank you for your reading. The above is the content of "what are the categories of domain names". After the study of this article, I believe you have a deeper understanding of the classification of domain names, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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