DNS standby server information, DNS server address (how many DNS preferred and standby are filled in)

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dns Server address

DNS Is the computer domain name system (DomainNameSystem or DomainNameService) Abbreviation , It is composed of resolver and domain name server . A domain name server is a server that stores the domain names of all hosts in the network IP Address , And has the ability to convert the domain name to IP Server with address function . The domain name must correspond to one IP Address , and IP The address does not necessarily correspond to only one domain name . The domain name system adopts a hierarchical structure similar to the directory tree . The domain name server is the client / The server side in the server mode , It has two main ways ： Master server and forwarding server . stay Internet Domain name and IP The addresses are one-to-one ( Or many to one ) Of , You can also choose DNS Polling completed one to many , Domain names are easy to remember , But the machines only recognize IP Address , The conversion between them is called domain name resolution , Domain name resolution needs to be completed by a special domain name resolution server ,DNS It is the server for domain name resolution .DNS The name is used for Internet Of TCP/IP In the network , Find computers and services by user-friendly names . When the user enters DNS When the name ,DNS The service can resolve this name into other information related to it . because , The web address you enter when you surf the Internet , It is through the domain name resolution system that the corresponding IP Address , So I can surf the Internet . Actually , The ultimate goal of a domain name is IP.

DNS What is the server

DNS The server is the computer domain name system (DomainNameSystem or DomainNameService) Abbreviation , It's made up of a parser and a domain name server . A domain name server is a server that stores the domain names of all hosts in the network IP Address , And has the ability to convert the domain name to IP Server with address function . The domain name must correspond to one IP Address , and IP The address doesn't have to have a domain name . The domain name system adopts a hierarchical structure similar to the directory tree . The domain name server is the client / The server side in the server mode , It has two main ways ： Master server and forwarding server . Map the domain name to IP The process of address is called “ Domain name resolution ”.

Before we set up the router IP At the address , Friends must not be strangers , To input DNS Set up , And usually fill in local DNS Address . As shown in the figure ：

dns What is it? dns What is the server ？

Why fill in the local network service provider's DNS The address? ？ Because we are closest to the network connection of the local network provider , So local service providers DNS Address setting can maximize the communication speed between the computer and the network . Telecommunications or Netcom in different regions of the country have different DNSIP Address , So if the demand is fixed locally IP Fill in the information of the local network service provider server DNS Address , If you don't know what to fill in, don't fix it IP Address , Select active acquisition , If you need it, you can contact the Internet provider or go online to inquire .

dns How much to fill in for the first choice and backup

The preferred baiDNS Able to fill 192.168.1.1~256, spare DNS Able to fill du8.8.8.8, This is Google's free DNS The server .

The preferred zhidns And spare dns Fill in the form as follows ：

1、 Find the... In the bottom right corner of the computer windows Network connection settings , Click Network and sharing center settings .

2、 Click... On the computer “ Wireless network connection ”.

3、 Find... In the pop-up menu bar “ characteristic ”, Click on features .

4、 find Internet Agreement version 4, Click on .

5、 Change the server address to 192.168.1.1,8.8.8.8 that will do .

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