Apex domains cannot have CNAME records.
Question and response
Question
dig daves-mechanical.com. NS
Answer
daves-mechanical.com. 5 NS ns-1150.awsdns-15.org.
daves-mechanical.com. 5 NS ns-1565.awsdns-03.co.uk.
daves-mechanical.com. 5 NS ns-687.awsdns-21.net.
daves-mechanical.com. 5 NS ns-1323.awsdns-37.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0