Apex domains cannot have CNAME records.
Question and response
Question
dig yachay.lat. NS
Answer
yachay.lat. 5 NS NS2.YACHAY.PE.
yachay.lat. 5 NS NS1.YACHAY.PE.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0