c156wun2.mwprem.net has no NS records.
NS records for this zone are defined at mwprem.net.
NS records for this zone are defined at mwprem.net.
Question and response
Question
dig c156wun2.mwprem.net. NS
Answer
The response has no answer records.
Authority
mwprem.net. 3600 SOA mwns1.customer.ne.jp. host-plan-ac.ntt.com. 1613490424 3600 1800 3628800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0