The Internet domain is a server or a network system name on the Internet network. There is no duplicate domain name. The domain name is based on several English letters or numbers, by "." To partially, such as Sohu.com is a domain name.
What is the international top domain name?
The domain name on the Internet can be described as a thousand poses, but from the structure of the domain name, the domain name can be divided into two categories, and a class is called "International Top Domain Name" ("International Domain Name"), known as "domestic domain name".
The last suffix of general international domain names is some "international general domain" such as.com, .net, .gov, .edu, these different suffix represent different institutional properties respectively. For example, .com expressed as commercial agencies, .NET represents a network service organization, .GOV indicates that government agencies, .edu stated that education institutions.
What is a domestic domain name?
The suffix of domestic domain names typically include two parts: "International Universal Domain" and "Country Domain", and the "Country Domain" as the last suffix. Take ISO31660 as a standard, all countries have their own fixed national domain, such as: CN represents China, US represents the United States, UK represents the UK.
Domain name system [DNS]
DNS full name is Domain Name Server, which may be necessary to explain DNS Server
Let me explain what Domain Name is to distinguish a computer on the Internet.
With IP, but a group of IP numbers is not easy, and there is no meaning of Lenovo, because
Therefore, we will take a meaningful and easy name for the server on the Internet.
We are called "Domain Name".
Most DNS maintain a huge database, which describes the correspondence between the domain name and IP, and updated timed.
There are dozens of top DNS parsing servers worldwide, if these servers are paralyzed
[Little said: The domain name is the name on the computer, and IP is the house number. 】
[Note: But IP and domain name are not all correspondence, an IP can correspond to many domain names, while large websites often have a domain name for many servers. 】
