To trace an IP address in an email header, what type of lookup service can you use (Choose all that apply)
a. Intelius Inc's AnyWho online directory
b. Verizon's http://superpages.com
c. A Domain lookup service, such as www.arin.net, www.internic.com.,or ww.whois.net
d. Any Web search engine
Answer: C & D.