amh-bb-dynamic-pppoe4-177.dsl.airstreamcomm.net has no MX records.
Question and response
Question
dig amh-bb-dynamic-pppoe4-177.dsl.airstreamcomm.net. MX
Answer
The response has no answer records.
Authority
dsl.airstreamcomm.net. 300 SOA ns1.airstreamcomm.net. hostmaster.airstreamcomm.net. 2025112507 86400 14400 3600000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0