dns.cs.wisc.edu has no NS records.
NS records for this zone are defined at cs.wisc.edu.
NS records for this zone are defined at cs.wisc.edu.
Question and response
Question
dig dns.cs.wisc.edu. NS
Answer
The response has no answer records.
Authority
cs.wisc.edu. 600 SOA adns1.doit.wisc.edu. hostmaster.cs.wisc.edu. 2026016370 7200 1800 3628800 600
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0