johnson.eng.umd.edu has no NS records.
NS records for this zone are defined at eng.umd.edu.
NS records for this zone are defined at eng.umd.edu.
Question and response
Question
dig johnson.eng.umd.edu. NS
Answer
The response has no answer records.
Authority
eng.umd.edu. 300 SOA blox.net.umd.edu. hostmaster.eng.umd.edu. 2023237977 14400 3600 2419200 300
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0