.CN is an Internet domain name, a national top-level domain name, which represents China’s national domain name. This article talks about the reasons why the .cn domain name cannot be resolved. Briefly speaking, there are the following:Whether the domain name is registered,Whether the domain name is real-name verified,Whether the domain name status is normal,Whether the domain name has expired,Whether the DNS has been modified,Repeated resolution. It will be introduced in detail below, and interested friends can learn more.
Whether the domain name is registered and verified by real name: The domain name must be registered and verified by real name before it can be used.
Whether the domain name status is normal: query whois, if the domain name status is clienthold or serverhold status. In this state, even if domain name resolution is set, it will not take effect and the domain name cannot be accessed.
Whether the domain name has expired: Domain name expiration will cause domain name resolution to become invalid, and it will return to normal after renewal.
Whether the DNS has been modified: After modifying the domain name DNS, the cache of each operator needs to be refreshed before the resolution can take effect. Under normal circumstances, it takes 24 to 48 hours for it to take effect globally. During this time, parsing is affected.
Duplicate parsing: The same host record points to different target addresses, resulting in parsing exceptions, which sometimes take effect and sometimes do not take effect; they take effect in some places and not in some places.
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