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a). nslookup google.com b). c). nslookup -type=NS google.com How to explain the

ID: 3889406 • Letter: A

Question

a). nslookup google.com

b).

c). nslookup -type=NS google.com

How to explain the finding from wireshark for question c,d and e?

a) [] Run nslookup to obtain the IP address of a Web server in Google. Give the b) 1] Which server returned the answer? Give the IP address of this server. Is this c) command. What is the IP address of that server? authoritative answer or non-authoritative answer? [2] Run wireshark in the background to analyze the traffic for this command the response obtained. Explain your findings from wireshark. Provide screenshots d) [2] Run nslookup to find the authoritative DNS servers for Google. Give the command. Run wireshark in the background to analyze the traffic for this command the response obtained. Explain your findings from wireshark. Provide screenshots e) 2] Run nslookup so that one of the authoritative DNS servers obtained in previous question can be queried for the web server for Google.com. Give the command. Run wireshark in the background to analyze the traffic for this command the response obtained. Explain your findings from wireshark. Provide screenshots

Explanation / Answer

a) nslookup google.com:

output:

Non-authoritative answer:
Name: google.com
Addresses: 2404:6800:4007:802::200e
172.217.26.206

answer : Ip address : 172.217.26.206

b)  172.217.26.206 server returned the result and it is  Non-authoritative answer.


Please ask other questions separatley as this are unrelated to a) and b)

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