Apex domains cannot have CNAME records.
Question and response
Question
dig fishing-simulator.com. NS
Answer
fishing-simulator.com. 5 NS ns1.fishing-simulator.com.
fishing-simulator.com. 5 NS ns2.fishing-simulator.com.
Authority
The response has no authority records.
Additional
ns1.fishing-simulator.com. 5 A 23.94.219.164
ns2.fishing-simulator.com. 5 A 23.94.219.18
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0