Apex domains cannot have CNAME records.
Question and response
Question
dig poki3.net. NS
Answer
poki3.net. 5 NS ns1.poki3.net.
poki3.net. 5 NS ns2.poki3.net.
Authority
The response has no authority records.
Additional
ns1.poki3.net. 5 A 163.5.51.125
ns2.poki3.net. 5 A 51.161.68.217
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0