Apex domains cannot have CNAME records.
Question and response
Question
dig collegenet.com. NS
Answer
collegenet.com. 5 NS ns3.collegenet.com.
collegenet.com. 5 NS ns.collegenet.com.
Authority
The response has no authority records.
Additional
ns.collegenet.com. 5 A 74.122.104.53
ns3.collegenet.com. 5 A 172.104.20.101
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0