mail.entelchile.net has no NS records.
NS records for this zone are defined at entelchile.net.
NS records for this zone are defined at entelchile.net.
Question and response
Question
dig mail.entelchile.net. NS
Answer
The response has no answer records.
Authority
entelchile.net. 3600 SOA polux.entelchile.net. hostmaster-serv.entelchile.net. 2025120302 7200 3600 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0