Apex domains cannot have CNAME records.
Question and response
Question
dig easyprostatetreatment.com. NS
Answer
easyprostatetreatment.com. 5 NS ns-714.awsdns-25.net.
easyprostatetreatment.com. 5 NS ns-723.awsdns-26.net.
easyprostatetreatment.com. 5 NS ns-362.awsdns-45.com.
easyprostatetreatment.com. 5 NS ns-639.awsdns-15.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0