What is a DNS server and its role

DNS is the abbreviation of English domain Name System, which is the meaning of domain name resolution server, namely domain name Management system. Its role in the Internet is to transform the domain name into an IP address that the network can identify. First of all, to know that the Internet web site is a single server in the form of the existence, but how do we go to the site to visit the server? This needs to assign IP address to each server, Internet site infinite, we can not remember the IP address of each site, which produced a convenient memory of the Domain name Management system DNS, he can be entered into the friendly domain name to access the IP address of the server, For example: our input in the browser will be automatically converted to 202.104.237.103.

How is the function of DNS implemented? Let's do a simple research.

After you have your own domain name, you need a DNS server to resolve your domain name. The purpose of parsing is to tell your visitors where your site is on the host of the IP.

The DNS server is provided by your domain registration company, if you register the domain name in my company, it is provided by our company, you do not need to do any setting, just keep the default option.

You can change the settings of your domain name at any time, such as to allow it to refer to a different IP. When you change the settings for a domain name, DNS servers around the world will be notified as well. In this way, Internet users all over the world will also be directed to your new host. Notifications are a process that takes approximately 24 hours if the world's DNS servers are refreshed and aware of your changes.