What is primary domain name? What are the divisions of domain names

About domain name , People who surf the Internet may meet with them every day . Just open the browser and surf the Internet , To visit the website, first enter the domain name , Then you can jump to the relevant page to view the information . When I see some top-level online , Class A , Second level domain name , What are these domain names like , I guess I'm at a loss . below What is a primary domain name As well as the domain name which has the division to make a simple explanation for everybody below .

What is a primary domain name

The first level domain name is composed of relevant numbers 、 English letter 、 The hyphen is the main body plus the suffix . image zzz.cn This form of domain name is a first-class domain name ,zzz It's the subject of the domain name ,.cn Is the suffix . Include zzz00.com And so on ,zzz00 The number is the subject of the domain name ,.com It's a domain suffix .

What are the divisions of domain names

Usually , Domain name is composed of two words or more , Separate them with commas in English , The second separated from the left is the top-level domain name , And we usually know about countries and regions on the Internet .

1、 The United States is us etc. , China is cn.

2、 International top-level domain name , The majority of enterprises are .com, The non-profit organization is org, Network e-commerce is .net etc. .

3、 Second level domain name , Add another level before the first level domain name , Level 3 and level 4 domain names, etc , And so on .

It should be noted that , Second level domain name and above , Is a subdomain name , Not within the scope of registered domain name . At ordinary times, the registered domain name is registered as a first-class domain name , That is, the primary domain name .

The above is the explanation of what is the primary domain name and what is the division of the domain name , I believe you have a certain understanding of the domain name . More specific and detailed information is needed , You can search through the Internet . If you want to know about the website information , Domain name is an indispensable knowledge , It must be used , In addition, the selection of specific site building applications and domains should be analyzed in detail .