Apex domains cannot have CNAME records.
Question and response
Question
dig adamwatkin.com. NS
Answer
adamwatkin.com. 4 NS ns2.adamwatkin.com.
adamwatkin.com. 4 NS ns1.adamwatkin.com.
Authority
The response has no authority records.
Additional
ns1.adamwatkin.com. 4 A 5.61.59.188
ns2.adamwatkin.com. 4 A 5.61.48.221
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0