Apex domains cannot have CNAME records.
Question and response
Question
dig gardensale24.com. NS
Answer
gardensale24.com. 5 NS ns-1171.awsdns-18.org.
gardensale24.com. 5 NS ns-609.awsdns-12.net.
gardensale24.com. 5 NS ns-151.awsdns-18.com.
gardensale24.com. 5 NS ns-447.awsdns-55.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0