Apex domains cannot have CNAME records.
Question and response
Question
dig arrowcontenu.com. NS
Answer
arrowcontenu.com. 5 NS ns2.arrowcontenu.com.
arrowcontenu.com. 5 NS ns1.arrowcontenu.com.
Authority
The response has no authority records.
Additional
ns1.arrowcontenu.com. 5 A 91.232.96.2
ns2.arrowcontenu.com. 5 A 91.232.96.26
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0