Shulou(Shulou.com)06/02 Report--

In this issue, the editor will bring you about what is a third-level domain name. The article is rich in content and analyzes and narrates it from a professional point of view. I hope you can get something after reading this article.

Domain names are divided into level 1, level 2 and level 3. Level 3 domain names are composed of letters (case sensitive), numbers (0,9) and connectors (-). Domain names at all levels are connected with real dots (.). The length of a level 3 domain name cannot exceed 20 characters.

In general, applicants mostly use English names (or abbreviations) or Hanyu pinyin names (or abbreviations) as third-level domain names to keep the domain name clear and concise.

A complete domain name consists of two or more parts, with an English full stop between them. To separate the last "." The right part of is called the top-level domain name (TLD). Top-level domain name. The left part of is called the first-level domain name. First-level domain name "." The left part of the is called second-level domain name, second-level domain name. The left part of is called the third-level domain name.

And so on, the domain name at each level controls the allocation of the domain name at the next level. A third-level domain name is a domain name shaped like "a.ab.abc.com", which can be regarded as a sub-domain name of a second-level domain name, characterized by that the domain name contains three "." generally speaking, the service provider provides the third-level domain name free of charge.

Be careful to avoid misunderstandings, such as china.world.com/beijing, take the form of a directory and replace it with "/". " Can not be called a third-level domain name, or even a domain name, generally referred to as the "second-level directory" under the domain name.

The above is what the editor shares with you what is a level 3 domain name. If you happen to have similar doubts, you might as well refer to the above analysis to understand. If you want to know more about it, you are welcome to follow the industry information channel.

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