Question and response
Question
dig ant.isi.edu. NS
Answer
ant.isi.edu. 43200 NS ns-lax.b.root-servers.org.
ant.isi.edu. 43200 NS ns-e.b.isi.edu.
ant.isi.edu. 43200 NS ns-w.b.isi.edu.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0