Question and response
Question
dig mail119.outbound.mtb-1.com. MX
Answer
mail119.outbound.mtb-1.com. 3600 MX 0 bounce-mx.eversrv.com.
Authority
mtb-1.com. 3600 NS pdns02.domaincontrol.com.
mtb-1.com. 3600 NS pdns01.domaincontrol.com.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0