Question and response
Question
dig mx.umbler.com. DNAME
Answer
The response has no answer records.
Authority
umbler.com. 60 SOA umblerdns03.westeros.local. admin.umbler.com. 2016065091 60 900 345600 60
Additional
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0