ns2.foilhat.net has no MX records.
Question and response
Question
dig ns2.foilhat.net. MX
Answer
The response has no answer records.
Authority
foilhat.net. 3600 SOA ns1.foilhat.net. hostmaster.foilhat.net. 1764514663 14400 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0