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[DNS] A website DNS failure will render the website inaccessible

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Posted on 10/19/2014 10:57:46 AM | | |
DNS (Domain Name System), as a distributed database of domain names and IP addresses mapped to each other, can make it easier for users to access the Internet without having to remember the IP strings that can be directly read by machines. The process of finally obtaining the IP address corresponding to the hostname through the hostname is called domain name resolution (or hostname resolution).


First of all, DNS is responsible for the resolution of domain names, and domestic IDCs generally have their own DNS servers

Provides resolution of user domain names

DNS is simply a service that does not require users to remember the IP address, only the domain name to be accessed

In China, the relatively large DNS resolvers are: Wanwang, DNSPOD, etc

If a website has a DNS failure, the DNS server cannot return the user's IP address when the user accesses the domain name

This makes the website inaccessible

For solutions, contact your DNS service provider or change your DNS resolver.




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