what’s the best utility to use?

To learn more about the management or ownership of a website, what’s the best utility to use?

A.
tracert

B.
traceroute

C.
whois

D.
ping

E.
telnet

Explanation:
A) Windows traceroute Befehl, lists all hosts on the way to target
B) Unix traceroute
D) ICMP echo request to target, lists average response time
E) opens a connection to a host to issue commands

whois is an undocumented program in /usr/bin, that reads the entries from the NIC database. see http://www.nic.com/nic/whois/