Question and response
Question
dig mx.bigpond.com. NSEC3
Answer
The response has no answer records.
Authority
mx.bigpond.com. 3600 SOA adns01.bigpond.com. hostmaster.bigpond.com. 2021030301 43200 3600 2419200 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0