Question and response
Question
dig dns.cs.wisc.edu. PTR
Answer
The response has no answer records.
Authority
cs.wisc.edu. 600 SOA adns1.doit.wisc.edu. hostmaster.cs.wisc.edu. 2026016261 7200 1800 3628800 600
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0