Apex domains cannot have CNAME records.
Question and response
Question
dig chpc.utah.edu. NS
Answer
chpc.utah.edu. 4 NS ns2.inscc.utah.edu.
chpc.utah.edu. 4 NS ns1.inscc.utah.edu.
Authority
The response has no authority records.
Additional
ns1.inscc.utah.edu. 3 A 155.101.3.11
ns2.inscc.utah.edu. 3 A 155.101.3.12
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0