Apex domains cannot have CNAME records.
Question and response
Question
dig devanslegal.com. NS
Answer
devanslegal.com. 5 NS ns-1853.awsdns-39.co.uk.
devanslegal.com. 5 NS ns-1866.awsdns-41.co.uk.
devanslegal.com. 5 NS ns-1577.awsdns-05.co.uk.
devanslegal.com. 5 NS ns-1702.awsdns-20.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0