Questions DNS

$[15$ pts$]$ Assume the following records are on the TLD DNS server:

$($www$.$enterprise.com, dns$.$enterprise.com, NS$)$

$($dns$.$enterprise.com, $146\mathrm{.}54\mathrm{.}92\mathrm{.}7,$ A$)$

Assume the following records are on the enterprise.com DNS server:

$($www$.$enterprise.com, east$3.$enterprise.com, CNAME$)$

$($east$3.$enterprise.com, $142\mathrm{.}81\mathrm{.}17\mathrm{.}206,$ A$)$

$($www$.$enterprise.com, mail.enterprise.com, MX$)$

$($mail$.$enterprise.com, $247\mathrm{.}29\mathrm{.}85\mathrm{.}30,$ A$)$

Question $35(5$ points$)$

Question $35$ options:

In the example given in the problem, what is the address of the DNS server for enterprise.com?

Question $36(5$ points$)$

Question $36$ options:

Assume that the enterprise.com website is actually hosted on east$3.$enterprise.com, what type of record is needed for this?

Question $37(5$ points$)$

Question $37$ options:

What type of record will we receive?

Now imagine we are trying to send an email to admin@enterprise.com, and their mail server has the address mail.enterprise.com.

what are the contents? Answer with the format: $"($name$,$ value$)"$