adns1.doit.wisc.edu has no NS records.
NS records for this zone are defined at doit.wisc.edu.
NS records for this zone are defined at doit.wisc.edu.
Question and response
Question
dig adns1.doit.wisc.edu. NS
Answer
The response has no answer records.
Authority
doit.wisc.edu. 600 SOA adns1.doit.wisc.edu. hostmaster.doit.wisc.edu. 14637 7200 1800 3628800 600
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0