Apex domains cannot have CNAME records.
Question and response
Question
dig webhostingarg.com. NS
Answer
webhostingarg.com. 5 NS ns1.webhostingarg.com.
webhostingarg.com. 5 NS ns2.webhostingarg.com.
Authority
The response has no authority records.
Additional
ns1.webhostingarg.com. 5 A 186.148.224.86
ns2.webhostingarg.com. 5 A 160.20.247.60
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0