Apex domains cannot have CNAME records.
Question and response
Question
dig pancio.net. NS
Answer
pancio.net. 2 NS ns2.pancio.net.
pancio.net. 2 NS ns1.pancio.net.
pancio.net. 2 NS ns3.pancio.net.
Authority
The response has no authority records.
Additional
ns1.pancio.net. 2 A 85.11.68.25
ns1.pancio.net. 2 A 85.11.78.9
ns2.pancio.net. 2 A 85.11.68.26
ns3.pancio.net. 2 A 85.11.68.27
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0