Apex domains cannot have CNAME records.
Question and response
Question
dig moilahosting.co.za. NS
Answer
moilahosting.co.za. 4 NS ns1.weplugg.com.
moilahosting.co.za. 4 NS ns2.weplugg.com.
Authority
The response has no authority records.
Additional
ns1.weplugg.com. 4 A 108.178.26.91
ns2.weplugg.com. 4 A 108.178.26.92
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0