Apex domains cannot have CNAME records.
Question and response
Question
dig bytenest.ca. NS
Answer
bytenest.ca. 4 NS ns1.bytenest.ca.
bytenest.ca. 4 NS ns2.bytenest.ca.
Authority
The response has no authority records.
Additional
ns1.bytenest.ca. 4 A 149.248.52.58
ns2.bytenest.ca. 4 A 167.114.36.46
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0