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