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Explain how and when a DNS request is solved when a user
tries to surf to the site www.abcdeg.in .Assume the user
machine uses a local name server and sits on another
network other than www.abcdef.in.
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Answer / shailesh
Check here:
http://technet.microsoft.com/en-us/library/cc775637%28WS.10%29.aspx
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Answer / Sakshi Upadhyay
When a user attempts to access www.abcdeg.in, their machine initiates a DNS request to its local name server (DNS resolver). The local name server first checks its cache for the IP address of www.abcdeg.in. If it doesn't find the IP address, it sends a recursive query to the root DNS servers to find the authoritative DNS server for the .in domain. The root DNS server then directs the query to the .in top-level domain name server (TLD). The TLD then guides the query to the authoritative DNS server for www.abcdeg.in, which holds the IP address of the website. The authoritative DNS server responds with the IP address, and the local name server caches it for future reference before sending the IP address back to the user's machine.
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