Apex domains cannot have CNAME records.
Question and response
Question
dig thewoodmanidehill.com. NS
Answer
thewoodmanidehill.com. 4 NS ns2.thewoodmanidehill.com.
thewoodmanidehill.com. 4 NS ns1.thewoodmanidehill.com.
Authority
The response has no authority records.
Additional
ns1.thewoodmanidehill.com. 4 A 51.222.0.7
ns2.thewoodmanidehill.com. 4 A 142.44.136.25
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0