Apex domains cannot have CNAME records.
Question and response
Question
dig ghostservices.net. NS
Answer
ghostservices.net. 1 NS emily.ns.cloudflare.com.
ghostservices.net. 1 NS mitch.ns.cloudflare.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0