mh-mx01.isnic.is has no NS records.
NS records for this zone are defined at isnic.is.
NS records for this zone are defined at isnic.is.
Question and response
Question
dig mh-mx01.isnic.is. NS
Answer
The response has no answer records.
Authority
isnic.is. 1800 SOA ht-secondary01.isnic.is. hostmaster.isnic.is. 1774445806 21600 7200 2419200 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0