Apex domains cannot have CNAME records.
Question and response
Question
dig easi.net. NS
Answer
easi.net. 5 NS ns3.easi.net.
easi.net. 5 NS ns5.easi.net.
Authority
The response has no authority records.
Additional
ns3.easi.net. 5 A 185.139.47.9
ns5.easi.net. 5 A 185.157.142.134
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0