9.Consider the subsequent TCP SYN packet sent by your host.Does the destination IP address of the SYN packet correspond to any of the IP addresses provided in the DNS response message? 10.This web page contains images.Before retrieving each image,does your host issue new DNS queries? Now let's play with nslookup4. ·Start packet capture Do an nslookup on www.mit.edu ·Stop packet capture. You should get a trace that looks something like the following =回☒ pd=1921215 Protocol Info 2.145 145 .mit.edu:type A,class TN (0000 95 ww.ait:c 179%713te00006D:6M:00o5 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. 41 e trace file dns-ethereal-trace-2in the 9. Consider the subsequent TCP SYN packet sent by your host. Does the destination IP address of the SYN packet correspond to any of the IP addresses provided in the DNS response message? 10. This web page contains images. Before retrieving each image, does your host issue new DNS queries? Now let’s play with nslookup4 . • Start packet capture. • Do an nslookup on www.mit.edu • Stop packet capture. You should get a trace that looks something like the following: 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. 4 If you are unable to run Wireshark and capture a trace file, use the trace file dns-ethereal-trace-2 in the zip file http://gaia.cs.umass.edu/wireshark-labs/wireshark-traces.zip