Apex domains cannot have CNAME records.
Question and response
Question
dig inspiredaustralia.com. NS
Answer
inspiredaustralia.com. 5 NS ns-1879.awsdns-42.co.uk.
inspiredaustralia.com. 5 NS ns-1858.awsdns-40.co.uk.
inspiredaustralia.com. 5 NS ns-33.awsdns-04.com.
inspiredaustralia.com. 5 NS ns-2000.awsdns-58.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0