spf.dhn.cl has no CNAME records.
Question and response
Question
dig spf.dhn.cl. NS
Answer
The response has no answer records.
Authority
dhn.cl. 3235 SOA ns41.cloudns.net. support.cloudns.net. 2026020903 7200 1800 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0