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