Apex domains cannot have CNAME records.
Question and response
Question
dig myhollywoodbeachrental.com. NS
Answer
myhollywoodbeachrental.com. 5 NS ns-718.awsdns-25.net.
myhollywoodbeachrental.com. 5 NS ns-574.awsdns-07.net.
myhollywoodbeachrental.com. 5 NS ns-59.awsdns-07.com.
myhollywoodbeachrental.com. 5 NS ns-1940.awsdns-50.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0