Apex domains cannot have CNAME records.
Question and response
Question
dig floridacsr.org. NS
Answer
floridacsr.org. 5 NS ns-1061.awsdns-04.org.
floridacsr.org. 5 NS ns-433.awsdns-54.com.
floridacsr.org. 5 NS ns-192.awsdns-24.com.
floridacsr.org. 5 NS ns-838.awsdns-40.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0