The contents and functions of the DNS server
This article will share the relevant content about the need to understand the DNS server in use.

What are the advantages of a dedicated DNS server
Dedicated DNS (Domain name System) server is a DNS server customized for specific organizations or individuals. Compared with the default DNS server provided by using Internet service providers (ISP)

Example of the application of the host command in DNS query
On Linux systems, the host command is a tool used to query DNS to find DNS records associated with a specified host name
