Apex domains cannot have CNAME records.
Question and response
Question
dig coolpinesrvpark.com. NS
Answer
coolpinesrvpark.com. 2 NS ns1.coolpinesrvpark.com.
coolpinesrvpark.com. 2 NS ns2.coolpinesrvpark.com.
Authority
The response has no authority records.
Additional
ns1.coolpinesrvpark.com. 2 A 149.56.130.74
ns2.coolpinesrvpark.com. 2 A 15.235.75.1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0