ns.collegenet.com has no CNAME records.
Question and response
Question
dig ns.collegenet.com. NS
Answer
The response has no answer records.
Authority
collegenet.com. 10800 SOA ns.collegenet.com. postmaster.collegenet.com. 2014092242 600 900 604800 102701
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0