免费公共DNS域名解析服务器（Free public DNS domain name resolution server）.docVIP

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免费公共DNS域名解析服务器（Free public DNS domain name resolution server）.doc

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免费公共DNS域名解析服务器（Free public DNS domain name resolution server）

免费公共DNS域名解析服务器（Free public DNS domain name resolution server） Google today (December 4th) announced to all Internet users to provide a group of fast, safe and completely free DNS analysis server, addresses are: and , recommend you use. Here you need a simple explanation of DNS domain name resolution: DNS is a domain name system (Domain Name System) (the abbreviation of Domain Name Server (another is the DNS server, little difference, the system used for naming the organization) to the domain in the hierarchy of computer and network services. We know that every computer has a globally unique physical address (IP provided by the computer manufacturer, with the motherboard, can not be changed, for example, if you change the computer motherboard, then you will find that you cant get to the Internet, must go to the network provider, there re registration). Computer and computer data exchange (the most simple example is the Internet) can be implemented only by IP, because only between computer and computer based on IP mutual recognition. The IP address is made up of 32 binary digits, which divide the 32 binary digits into 4 groups, each with 8 binary digits, converting the 8 binary numbers into decimal numbers, which is the IP address we see. But when we browse the web, we dont enter the IP address in the address bar. Why can we surf the Internet again? This is because we enter the domain name, such as is a domain name, you enter Baidus IP address in the address bar, 9 can also open Baidus home page. In fact, if you always use IP to access the Internet, its faster than using domain names. The reason why we use domain names instead of IP addresses is obvious because IP is hard to remember. Domain name and IP address are corresponding one by one, of course, can also be a domain name corresponding to a IP, and the computer cannot identify the domain name, so the analysis of the domain name, converting it into the corresponding IP is a must, and provide the analytical serv