Apex domains cannot have CNAME records.
Question and response
Question
dig unifiedradios.com. NS
Answer
unifiedradios.com. 5 NS dns3.datacenters.net.
unifiedradios.com. 5 NS dns1.datacenters.net.
unifiedradios.com. 5 NS dns2.datacenters.net.
unifiedradios.com. 5 NS dns4.datacenters.net.
Authority
The response has no authority records.
Additional
dns1.datacenters.net. 5 A 185.136.96.164
dns2.datacenters.net. 5 A 185.136.97.164
dns3.datacenters.net. 5 A 185.136.98.164
dns4.datacenters.net. 5 A 185.136.99.164
dns1.datacenters.net. 5 AAAA 2a06:fb00:1:0:0:0:1:164
dns2.datacenters.net. 5 AAAA 2a06:fb00:1:0:0:0:2:164
dns3.datacenters.net. 5 AAAA 2a06:fb00:1:0:0:0:3:164
dns4.datacenters.net. 5 AAAA 2a06:fb00:1:0:0:0:4:164
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0