"Sohu It News" August 25 morning News, the internet part of today morning. CN domain name in the presence of unresolved problems, which is also. CN Domain name has occurred in recent years the biggest failure. Because the fault occurred in the wee hours, the actual impact on the user is relatively small. As of press, the resolution problem returned to normal.
It is understood that. CN domain name is China's state-registered top-level domain name, in the domestic registration management is vested in the China Internet Network Information Center (CNNIC), for ordinary individuals to open the application. DNS is a distributed database of domain names and IP addresses that are mapped to each other, making it easier for people to access the Internet. DNS is like an automatic telephone directory, users can directly enter the site name to replace the input of complex IP address, and the site name and IP mapping between the DNS service to complete.
The affected sites include not only. CN domain name, also includes. COM. CN domain name. As of now, CNNIC officials have not yet to elaborate on this failure.
Note (from Wikipedia): The root domain name server (root-servers.org) is the highest level domain name server in the Internet Domain name resolution system (DNS), with only 13 root servers worldwide. The current distribution is: The primary root server (a) the United States 1, located in the Virginia State Dulles, Auxiliary root server (b to M) the United States 9, Sweden, the Netherlands, Japan one. In addition, by Anycast (anycast) technology, some root domain servers have multiple mirror servers (mirror) around the world, so they can resist the distributed denial of service (DDoS) attacks against them.
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