Apex domains cannot have CNAME records.
Question and response
Question
dig thehomeworktrap.com. NS
Answer
thehomeworktrap.com. 2 NS ns-1600.awsdns-08.co.uk.
thehomeworktrap.com. 2 NS ns-1310.awsdns-35.org.
thehomeworktrap.com. 2 NS ns-663.awsdns-18.net.
thehomeworktrap.com. 2 NS ns-1879.awsdns-42.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0