va.frontiernet.net has no MX records.
Question and response
Question
dig va.frontiernet.net. MX
Answer
The response has no answer records.
Authority
va.frontiernet.net. 21600 SOA auth.roch.ny.frontiernet.net. hostmaster.frontiernet.net. 2512170001 10800 3600 604800 21600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0