ipam-cssc.doit.wisc.edu has no CNAME records.
Question and response
Question
dig ipam-cssc.doit.wisc.edu. NS
Answer
The response has no answer records.
Authority
doit.wisc.edu. 258 SOA adns1.doit.wisc.edu. hostmaster.doit.wisc.edu. 14567 7200 1800 3628800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0