Apex domains cannot have CNAME records.
Question and response
Question
dig dns3.supremepanel.com. NS
Answer
dns3.supremepanel.com. 5 NS dns4.supremepanel.com.
dns3.supremepanel.com. 5 NS dns3.supremepanel.com.
Authority
The response has no authority records.
Additional
dns3.supremepanel.com. 5 A 94.136.168.189
dns4.supremepanel.com. 5 A 94.136.168.190
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0