Question
We see from the above screenshot that nslookup actually sent three DNS queries and received three DNS responses. For the purpose of this assignment, in
We see from the above screenshot that nslookup actually sent three DNS queries and received three DNS responses. For the purpose of this assignment, in answering the following questions, ignore the first two sets of queries/responses, as they are specific to nslookup and are not normally generated by standard Internet applications. You should instead focus on the last query and response messages.
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What is the destination port for the DNS query message? What is the source port of DNS response message?
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To what IP address is the DNS query message sent? Is this the IP address of your default local DNS server?
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Examine the DNS query message. What Type of DNS query is it? Does the query message contain any answers?
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Examine the DNS response message. How many answers are provided? What do each of these answers contain?
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Provide a screenshot.
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