Situatie
Your DNS cache stores the locations (IP addresses) of web servers that contain web pages which you have recently viewed. If the location of the web server changes before the entry in your DNS cache updates, you can no longer access the site.
Simptome
If you encounter a large number of HTML 404 error codes, you may need to clear your DNS cache. After you clear your DNS cache, your computer will query nameservers for the new DNS information.
Solutie
Pasi de urmat
To clear your DNS cache if you use Windows 8, perform the following steps:
- On your keyboard, press Win+X to open the WinX Menu.
- Right-click Command Prompt and select Run as Administrator.
- Run the following command:
ipconfig /flushdnsIf the command succeeds, the system returns the following message:
“Windows IP configuration successfully flushed the DNS Resolver Cache.”
To clear your DNS cache if you use Windows 7, perform the following steps:
- Click Start.
- Enter
cmdin the Start menu search text box. - Right-click Command Prompt and select Run as Administrator.
- Run the following command:ipconfig /flushdns
If the command succeeds, the system returns the following message:
“Windows IP configuration successfully flushed the DNS Resolver Cache.”
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