Question: a) Is the DNS query result protected by DNSSEC? Why? b) Discuss what will happen if we change the about command into: dig @131.212.32.32 whitehouse.gov

a) Is the DNS query result protected by DNSSEC? Why? b)

a) Is the DNS query result protected by DNSSEC? Why?

b) Discuss what will happen if we change the about command into: dig @131.212.32.32 whitehouse.gov +dnssec and briefly explain why.

c) In this case, the DNS query time is 12 ms. Please discuss the possible ways to reduce this latency.

[root@planet-lab ~]# dig @8.8.4.4 whitehouse.gov +dnssec ; > DiG 9.5.0-P2 > @8.8.4.4 whitehouse.gov +dnssec - (1 server found) ;; global options: printcmd ; Got answer: ;; ->>HEADER

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