First, let’s look at the definitions of these professional terms.

Trademark Trademark is a specialized legal term. After a brand or part of a brand is registered by the relevant government departments in accordance with the law, it is called a "trademark". Trademarks are protected by law, and the registrant has exclusive rights. Well-known trademarks in the international market are often registered in many countries. There is a distinction between "registered trademarks" and "unregistered trademarks" in China. Registered trademarks are trademarks that are protected by law after being registered with relevant government departments. Unregistered trademarks are not protected by trademark laws.

Keywords require registration to be protected by law.

Copyright Copyright (English name: copyright) is copyright, which refers to the rights (including property rights and personal rights) that authors of literary, artistic, and scientific works enjoy over their works. Copyright is a type of intellectual property that consists of works in the natural sciences, social sciences, and literature, music, drama, painting, sculpture, photography, pictures, and film photography.

Keywords are a type of intellectual property group that belongs to copyright, which is equal to copyright.

Intellectual property rights, also known as "knowledge ownership rights", refer to "the property rights enjoyed by rights holders in the results of their intellectual labor", which are generally only valid for a limited time.

The key word is deadline.

So which type of domain name does it belong to? Let’s look at the information from Tianyancha, a subsidiary of the National Small and Medium Enterprises Development Fund established by the Ministry of Finance. The following is Baidu's query page:

As you can see, website registration belongs to intellectual property rights, and is also tied with trademarks, patents, and copyrights, so domain names are a special kind of intellectual property rights.