Apex domains cannot have CNAME records.
Question and response
Question
dig starpoint.net. NS
Answer
starpoint.net. 5 NS dns.starpoint.net.
starpoint.net. 5 NS dns2.starpoint.net.
starpoint.net. 5 NS dns1.starpoint.net.
Authority
The response has no authority records.
Additional
dns.starpoint.net. 5 A 24.196.60.44
dns1.starpoint.net. 5 A 216.16.120.100
dns2.starpoint.net. 5 A 216.16.120.100
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0