Apex domains cannot have CNAME records.
Question and response
Question
dig systeque.co.za. NS
Answer
systeque.co.za. 5 NS ns4.tld-ns.net.
systeque.co.za. 5 NS ns2.tld-ns.net.
systeque.co.za. 5 NS ns1.tld-ns.com.
systeque.co.za. 5 NS ns3.tld-ns.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0