Apex domains cannot have CNAME records.
Question and response
Question
dig bchdigital.com. NS
Answer
bchdigital.com. 5 NS ns1.zoneedit.com.
bchdigital.com. 5 NS ns3.zoneedit.com.
bchdigital.com. 5 NS ns6.zoneedit.co.uk.
bchdigital.com. 5 NS ns17.zoneedit.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0