Apex domains cannot have CNAME records.
Question and response
Question
dig bodytemperatureaccesscontrol.com. NS
Answer
bodytemperatureaccesscontrol.com. 5 NS ns1.bodytemperatureaccesscontrol.com.
bodytemperatureaccesscontrol.com. 5 NS ns2.bodytemperatureaccesscontrol.com.
Authority
The response has no authority records.
Additional
ns1.bodytemperatureaccesscontrol.com. 5 A 45.59.107.79
ns2.bodytemperatureaccesscontrol.com. 5 A 78.159.124.184
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0