Apex domains cannot have CNAME records.
Question and response
Question
dig randolphcountygis.com. NS
Answer
randolphcountygis.com. 2 NS ns-477.awsdns-59.com.
randolphcountygis.com. 2 NS ns-579.awsdns-08.net.
randolphcountygis.com. 2 NS ns-991.awsdns-59.net.
randolphcountygis.com. 2 NS ns-343.awsdns-42.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0