Apex domains cannot have CNAME records.
Question and response
Question
dig hipaasource.com. NS
Answer
hipaasource.com. 3 NS ns2.tirfecta.com.
hipaasource.com. 3 NS ns1.tirfecta.com.
Authority
The response has no authority records.
Additional
ns1.tirfecta.com. 3 A 184.107.4.49
ns2.tirfecta.com. 3 A 198.50.123.70
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0