Apex domains cannot have CNAME records.
Question and response
Question
dig podiumcover.net. NS
Answer
podiumcover.net. 5 NS ns2.podiumcover.net.
podiumcover.net. 5 NS ns1.podiumcover.net.
Authority
The response has no authority records.
Additional
ns1.podiumcover.net. 5 A 173.232.138.230
ns2.podiumcover.net. 5 A 51.161.25.184
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0