Top-level domain (TLD) refers to the name of the first level domain under the root node in the domain name system.

顶级域名：是指域名体系中根节点下的第一级域的名称。

youdao

Top-level domain (TLD) refers to the name of the first level domain under the root node in the domain name system.

顶级域名：是指域名体系中根节点下的第一级域的名称。

youdao