HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings
The values of interest are,
DnsCacheTimeout
ServerInfoTimeOut
To set these values,
1. Click Start – RUN.
2. Type REGEDIT and press ENTER. This will open Windows Registry Editor with the Keys in the Left pane and the Values in the Right pane.
3. Navigate to
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings
in the left pane.
4. In the Right pane, check if the value DnsCacheTimeOut is found.
5. If found, right-click and select Modify. Select Decimal under Base and change the value as required seconds and click OK.
6. If not found, right-click in the right pane, click New – DWORD and name it as DnsCacheTimeOut.
7. Right-click the newly added value, select Decimal under Base and enter the value as required in seconds and click OK.
8. Repeat steps 1 through 6 to set the ServerInfoTimeOut
NOTE: This DNS Caching is different from that of the DNS Caching done by the DNS Client or Resolver on the system.
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