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When does IE go back to the DNS. RRS feed

  • Question

  • when I type in http://www.google.com. IE goes to the DNS and perhaps gets the physical IP address of the google site.


    Now after it has got the IP and successfully connected to the site.


    1. does it every refresh the IP address from DNS at every call?? or is the IP address which is received from the DNS cached? If cached, then when (how frequently) is the cached refreshed?


    2. let's say that the physical server to which it originally connected do ... crashes... Will IE go back to the DNS to try to get another IP or will it straight report the error to the user and then user has to click F5 to get new entry from DNS?


    3. Is there a documentation which explains IE and DNS interaction?


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    Friday, August 23, 2013 12:23 AM

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