Apex domains cannot have CNAME records.
Question and response
Question
dig elcaracoli.com. NS
Answer
elcaracoli.com. 5 NS ns1.elcaracoli.com.
elcaracoli.com. 5 NS ns2.elcaracoli.com.
Authority
The response has no authority records.
Additional
ns1.elcaracoli.com. 5 A 137.74.112.174
ns2.elcaracoli.com. 5 A 5.196.196.108
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0