Apex domains cannot have CNAME records.
Question and response
Question
dig articlebaseplus.com. NS
Answer
articlebaseplus.com. 1 NS ns-732.awsdns-27.net.
articlebaseplus.com. 1 NS ns-1320.awsdns-37.org.
articlebaseplus.com. 1 NS ns-304.awsdns-38.com.
articlebaseplus.com. 1 NS ns-820.awsdns-38.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0