Question and response
Question
dig mx.ctt.ispn.net. ZONEMD
Answer
The response has no answer records.
Authority
ispn.net. 600 SOA ns1.ispn.net. administrator.ispn.net. 2026022000 1800 800 864000 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0