Apex domains cannot have CNAME records.
Question and response
Question
dig countryairestates.com. NS
Answer
countryairestates.com. 5 NS ns-1481.awsdns-57.org.
countryairestates.com. 5 NS ns-2018.awsdns-60.co.uk.
countryairestates.com. 5 NS ns-738.awsdns-28.net.
countryairestates.com. 5 NS ns-1414.awsdns-48.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0