default.cifs.msu.net has no NS records.
NS records for this zone are defined at msu.net.
NS records for this zone are defined at msu.net.
Question and response
Question
dig default.cifs.msu.net. NS
Answer
The response has no answer records.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0