Apex domains cannot have CNAME records.
Question and response
Question
dig essmyanmar.org. NS
Answer
essmyanmar.org. 2 NS ns-874.awsdns-45.net.
essmyanmar.org. 2 NS ns-35.awsdns-04.com.
essmyanmar.org. 2 NS ns-99.awsdns-12.com.
essmyanmar.org. 2 NS ns-1650.awsdns-14.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0