ns1.ariasystems.net has no MX records.
Question and response
Question
dig ns1.ariasystems.net. MX
Answer
The response has no answer records.
Authority
ariasystems.net. 60 SOA ns1.ariasystems.net. hostmaster.ariasystems.net. 2026000011 10800 3600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0