Apex domains cannot have CNAME records.
Question and response
Question
dig bmesend.com. NS
Answer
bmesend.com. 5 NS ns-789.awsdns-34.net.
bmesend.com. 5 NS ns-1750.awsdns-26.co.uk.
bmesend.com. 5 NS ns-500.awsdns-62.com.
bmesend.com. 5 NS ns-1524.awsdns-62.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0