Apex domains cannot have CNAME records.
Question and response
Question
dig clearfly.net. NS
Answer
clearfly.net. 5 NS ryan.ns.cloudflare.com.
clearfly.net. 5 NS georgia.ns.cloudflare.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0