Change it to 114.114.114.114 (because this is global and not affected by service providers)
1. DNS is a domain name system. It is a distributed database that maps domain names and IP addresses to each other on the World Wide Web. It enables users to access the Internet more conveniently without having to remember IP strings that can be directly read by machines.
For example, if you set up the DNS of China Telecom, but the service provider of the network cable is China Unicom, it will eventually lead to the situation of being unable to access the Internet because the IP number string of the corresponding domain name cannot be obtained.
The solution is to set the global DNS as v