Apex domains cannot have CNAME records.
Question and response
Question
dig sunrisebeats.com. NS
Answer
sunrisebeats.com. 5 NS ns3.sunrisebeats.com.
sunrisebeats.com. 5 NS ns1.sunrisebeats.com.
sunrisebeats.com. 5 NS ns2.sunrisebeats.com.
Authority
The response has no authority records.
Additional
ns1.sunrisebeats.com. 5 A 167.235.61.152
ns2.sunrisebeats.com. 5 A 95.217.23.19
ns3.sunrisebeats.com. 5 A 5.161.81.89
ns1.sunrisebeats.com. 5 AAAA 2a01:4f8:1c1e:c806:0:0:0:1
ns2.sunrisebeats.com. 5 AAAA 2a01:4f9:c012:60cf:0:0:0:1
ns3.sunrisebeats.com. 5 AAAA 2a01:4ff:f0:4941:0:0:0:1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0