Apex domains cannot have CNAME records.
Question and response
Question
dig proceedo.net. NS
Answer
proceedo.net. 5 NS dns3.vismadns.com.
proceedo.net. 5 NS dns1.vismadns.com.
proceedo.net. 5 NS dns2.vismadns.com.
proceedo.net. 5 NS dns4.vismadns.com.
Authority
The response has no authority records.
Additional
dns1.vismadns.com. 5 A 162.159.0.247
dns2.vismadns.com. 5 A 162.159.1.230
dns3.vismadns.com. 5 A 162.159.9.161
dns4.vismadns.com. 5 A 162.159.10.238
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0