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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

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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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