Apex domains cannot have CNAME records.
Question and response
Question
dig lemaychamber.com. NS
Answer
lemaychamber.com. 5 NS ns-658.awsdns-18.net.
lemaychamber.com. 5 NS ns-1455.awsdns-53.org.
lemaychamber.com. 5 NS ns-1221.awsdns-24.org.
lemaychamber.com. 5 NS ns-1966.awsdns-53.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0