Apex domains cannot have CNAME records.
Question and response
Question
dig louisbourgrace.com. NS
Answer
louisbourgrace.com. 5 NS ns-1508.awsdns-60.org.
louisbourgrace.com. 5 NS ns-1472.awsdns-56.org.
louisbourgrace.com. 5 NS ns-728.awsdns-27.net.
louisbourgrace.com. 5 NS ns-1060.awsdns-04.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0