backup.almacen.cl has no CNAME records.
Question and response
Question
dig backup.almacen.cl. NS
Answer
The response has no answer records.
Authority
almacen.cl. 3481 SOA ns1.goldvision.com. hostmaster.goldvision.com. 2026012608 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0