mx.itpartner.no has no NS records.
NS records for this zone are defined at itpartner.no.
NS records for this zone are defined at itpartner.no.
Question and response
Question
dig mx.itpartner.no. NS
Answer
The response has no answer records.
Authority
itpartner.no. 600 SOA ns01.no.brand.one.com. hostmaster.no.brand.one.com. 2026022201 14400 3600 1209600 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0