Apex domains cannot have CNAME records.
Question and response
Question
dig wirenetchile.com. NS
Answer
wirenetchile.com. 5 NS ns2.wirenetchile.com.
wirenetchile.com. 5 NS ns1.wirenetchile.com.
Authority
The response has no authority records.
Additional
ns1.wirenetchile.com. 5 A 190.107.176.2
ns2.wirenetchile.com. 5 A 207.244.224.140
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0