Apex domains cannot have CNAME records.
Question and response
Question
dig napletonauto.com. NS
Answer
napletonauto.com. 3 NS ns-1426.awsdns-50.org.
napletonauto.com. 3 NS ns-263.awsdns-32.com.
napletonauto.com. 3 NS ns-804.awsdns-36.net.
napletonauto.com. 3 NS ns-1956.awsdns-52.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0