Apex domains cannot have CNAME records.
Question and response
Question
dig sceto.net. NS
Answer
sceto.net. 5 NS ns2.sceto.net.
sceto.net. 5 NS ns.sceto.net.
Authority
The response has no authority records.
Additional
ns.sceto.net. 5 A 188.65.145.79
ns2.sceto.net. 5 A 188.65.145.78
ns.sceto.net. 5 AAAA 2a00:1aa0:2000:0:0:0:0:54
ns2.sceto.net. 5 AAAA 2a00:1aa0:2000:0:0:0:0:53
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0