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