redirect.net.berkeley.edu has no NS records.
NS records for this zone are defined at net.berkeley.edu.
NS records for this zone are defined at net.berkeley.edu.
Question and response
Question
dig redirect.net.berkeley.edu. NS
Answer
The response has no answer records.
Authority
net.berkeley.edu. 300 SOA ewdc-vps-ib1.net.berkeley.edu. hostmaster.berkeley.edu. 2016356101 10800 1080 2419200 300
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0