Apex domains cannot have CNAME records.
Question and response
Question
dig salamandracar.com. NS
Answer
salamandracar.com. 5 NS ns-1259.awsdns-29.org.
salamandracar.com. 5 NS ns-1822.awsdns-35.co.uk.
salamandracar.com. 5 NS ns-583.awsdns-08.net.
salamandracar.com. 5 NS ns-1406.awsdns-47.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0