Apex domains cannot have CNAME records.
Question and response
Question
dig continent8.com. NS
Answer
continent8.com. 2 NS ans1.continent8.com.
continent8.com. 2 NS ans2.continent8.net.
Authority
The response has no authority records.
Additional
ans1.continent8.com. 2 A 78.24.214.1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0