Apex domains cannot have CNAME records.
Question and response
Question
dig ns2.ecuadordomain.ec. NS
Answer
ns2.ecuadordomain.ec. 5 NS vps-821b1640.vps.ovh.ca.
ns2.ecuadordomain.ec. 5 NS cdns.ovh.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0