Apex domains cannot have CNAME records.
Question and response
Question
dig terrabellabistro.com. NS
Answer
terrabellabistro.com. 5 NS ns1.terrabellabistro.com.
terrabellabistro.com. 5 NS ns2.terrabellabistro.com.
Authority
The response has no authority records.
Additional
ns1.terrabellabistro.com. 5 A 194.41.115.17
ns2.terrabellabistro.com. 5 A 208.115.198.124
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0