Apex domains cannot have CNAME records.
Question and response
Question
dig acordfamily.com. NS
Answer
acordfamily.com. 5 NS ns-1732.awsdns-24.co.uk.
acordfamily.com. 5 NS ns-1627.awsdns-11.co.uk.
acordfamily.com. 5 NS ns-904.awsdns-49.net.
acordfamily.com. 5 NS ns-1774.awsdns-29.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0