Question

IP, UDP and DNS Please check the screenshot below and give a short answer for the following questions. > Internet Protocol Version 4, Sre: 165.26.188.11, Dst: 168.27.170.110 > User Datagram Protocol, Src Port: 53, Dst Port: 55706 Domain Name System (response) Request In 2101 [Time: 0.037798000 seconds) Transaction ID: exa67e Flags: 08180 Standard query response, No error - Response: Message is a response .000 e... ..... Opcode: Standard query (e) ..... Authoritative: Server is not an authority for domain Truncated: Message is not truncated Recursion desired: De query recursively - Recursion available: Server can do recursive queries - Z: reserved (0) ... Answer authenticated: Answer/authority portion was not authenticated by the server ................ - Non-authenticated data: Unacceptable 802. Reply code: No error(@) Questions: 1 Answer RRS: 3 Authority RRS: 4 Additional RRS: 4 Queries > www.cnn.com: type A, class IN Answers > www.cnn.com: type CNAME, class IN, chane turner.map.fastly.net > turner.cap.fastly.net: type CWME, class IN, care prod. turner.cap.fastlylb.net > prod.turner.map.fastlylb.net: type A, class IN, addr 151.101.56.73 Authoritative nameservers > fastlylb.net: type NS, class IN, ns ns3.fastlylb.net > fastlylb.net: type Ns, class IN, ns nsi.fastlylb.net > fastlylb.net: type Ns, class IN, ns ns2.fastlylb.net > fastlylb.net: type Ns, class IN, ns ns4.fastlylb.net Additional records > ns1.fastlylb.net: type A, class IN, addr 23.235.32.32 > ns2.fastlylb.net: type A, class IN, addr 104.156.80.32 > 3.fastlylb.net: type A, class IN, addr 23.235.36.32 > ns4.fastlylb.net: type A, class IN, addr 104.156.84.32 Format BIU HI ... HI III! 1) Is this DNS message a query or response? (1 points) why (2 points) 2) What is the port number used to send the DNS query? (2 point) 3) How many Answer RRS? (2 point) Please describe what they are? (3 points)

Answer 1

Answer 1
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It is DNS response as answers tag are attached in the output with are response related to query sent by client.

Answer 2
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port no 53 is used for DNS

Answer 3
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There total 3 resource records in screenshot above Type A[address] record, CNAME[canonical name], NS[name server] record type.

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