ns-a2.velocity.net has no MX records.
Question and response
Question
dig ns-a2.velocity.net. MX
Answer
The response has no answer records.
Authority
velocity.net. 1800 SOA ns1.velocity.net. hostmaster.velocity.net. 2025121600 5400 3600 1209600 1800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0