Check all that apply.

Which of the following is NOT true about IP address look$-$up$?$

a$.$ Users utilize Domain Name Servers to find out IP address of a web site

b$.$ Domain Name Servers are capable of figuring email addresses out

c$.$ IP address look$-$up may require several hops before the answer is found

d$.$ There are $13$ logical Authoritative Name Servers

e$.$ Web browsers may cache a result of an IP address look$-$up