Apex domains cannot have CNAME records.
Question and response
Question
dig ihealthyfamily.com. NS
Answer
ihealthyfamily.com. 5 NS ns-408.awsdns-51.com.
ihealthyfamily.com. 5 NS ns-1230.awsdns-25.org.
ihealthyfamily.com. 5 NS ns-742.awsdns-28.net.
ihealthyfamily.com. 5 NS ns-1827.awsdns-36.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0