Apex domains cannot have CNAME records.
Question and response
Question
dig macropoint.com. NS
Answer
macropoint.com. 4 NS ns-868.awsdns-44.net.
macropoint.com. 4 NS ns-1710.awsdns-21.co.uk.
macropoint.com. 4 NS ns-222.awsdns-27.com.
macropoint.com. 4 NS ns-1175.awsdns-18.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0