Apex domains cannot have CNAME records.
Question and response
Question
dig n0c.com. NS
Answer
n0c.com. 5 NS nsc.n0c.com.
n0c.com. 5 NS nsa.n0c.com.
n0c.com. 5 NS nsb.n0c.com.
Authority
The response has no authority records.
Additional
nsa.n0c.com. 5 A 199.188.223.2
nsb.n0c.com. 5 A 85.236.159.2
nsc.n0c.com. 5 A 185.22.111.2
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0