mx.sadecehosting.net has no NS records.
NS records for this zone are defined at sadecehosting.net.
NS records for this zone are defined at sadecehosting.net.
Question and response
Question
dig mx.sadecehosting.net. NS
Answer
The response has no answer records.
Authority
sadecehosting.net. 3600 SOA dns.sadecehosting.net. hostmaster.sadecehosting.net. 1902133378 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0