Apex domains cannot have CNAME records.
Question and response
Question
dig getflix.com.au. NS
Answer
getflix.com.au. 5 NS ns-1521.awsdns-62.org.
getflix.com.au. 5 NS ns-1768.awsdns-29.co.uk.
getflix.com.au. 5 NS ns-340.awsdns-42.com.
getflix.com.au. 5 NS ns-629.awsdns-14.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0