How to distinguish the level of domain name

How do domain name levels differ? In response to this problem, this article introduces the corresponding analysis and solution in detail, hoping to help more small partners who want to solve this problem find a simpler and easier way.

First level domain name, second level domain name, third level domain name, you can count forward by domain name suffix ". "To judge. For example, a first-level domain name is a ". "Separated.

First-level domain names are domain names that we usually register with domain name service providers, such as yisu.com, which is a first-level domain name. The criterion is that there is only one ". ", i.e. a dot between the name"west"and the"cn suffix ".

So is www.yisu.com a first-level domain or a second-level domain? www.yisu.com is a second-level domain name, and it is also the home page address of the website we usually see most.

Here the name has "www" and "west" two, domain name suffix is "cn domain name," two dots and suffix combination, is a secondary domain name. www is the second level domain name of yisu.com, which belongs to the next level of the first level domain name.

For example, www.yisu.com is also the next level of the first-level domain name yisu.com and belongs to the second-level domain name category. A first-level domain name can generate countless second-level domain names.

The same is true for third-level domain names, which are one level below second-level domain names.

About the domain name level how to distinguish the answer to the question to share here, I hope the above content can be of some help to everyone, if you still have a lot of doubts not solved, you can pay attention to the industry information channel to learn more related knowledge.