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