mx01.mucix.net has no NS records.
NS records for this zone are defined at mucix.net.
NS records for this zone are defined at mucix.net.
Question and response
Question
dig mx01.mucix.net. NS
Answer
The response has no answer records.
Authority
mucix.net. 600 SOA dns0.noris.net. hostmaster.noris.net.mucix.net. 1771577726 86400 86400 2419200 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0