ns1a.dodns.net has no MX records.
Question and response
Question
dig ns1a.dodns.net. MX
Answer
The response has no answer records.
Authority
dodns.net. 3600 SOA ns1.dodns.net. hostmaster.dodns.net. 2024111907 86400 7200 3600000 172800
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0