What is a top-level domain name?

Speaking of top-level domain names, many people should be familiar with them, but many newcomers don’t know what top-level domain names are? Below, php Chinese website will explain the top-level domain name to everyone.

1: What is the top-level domain name?

The top-level domain name is relative to the second-level domain name. There are two domain names. Or it consists of two or more strings. The rightmost string is the top-level domain name or the first-level domain name. Top-level domain names are generally divided into three categories, national top-level domain names, international top-level domain names and new top-level domain names. [Recommended reading: What does the second-level domain name mean】

1. National top-level domain name

For example, a country is called a national top-level domain name ccTLD Currently, more than 200 countries have allocated top-level domain names. Only domain names of this country can be used, and domain names of other countries cannot be used. Of course, we can also understand ccTLD as a basic rule.

2. International top-level domain names

International top-level domain names are abbreviated as gTLDs. For example, when you see com, it represents a commercial organization. Not all domain names are commercial organizations. org represents a non-profit organization.

3. New top-level domain names

There are many new top-level domain names, and they are referred to as gTLDs. Among them, .reg represents red and .men represents people.

2: The difference between top-level domain names

We know that international domain names are top-level domain names that all users can register The abbreviation of domain name. The registered suffixes can be .net and .com. In China, domain names are different from Chinese domain names. National domain names are named according to international names. Generally, they can only be registered by the country. Of course, the registration of both The organizations are different. International domain names are directly authorized to be registered and managed by the United States, but what is the difference between the two among users? National domain names are controlled by the country, but at present, natural persons can apply to register .cn domain names.

The above is a complete introduction to what the top-level domain name is. If you want to know more about operation and maintenance, please pay attention to the PHP Chinese website.

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