Question and response
Question
dig mx1.rivnet.com. A
Answer
The response has no answer records.
Authority
rivnet.com. 900 SOA nsb.vtx1.net. fieldopadmin.vtx1.net. 160 10800 3600 2419200 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0