72-15-64.66.static.logixcom.net has no MX records.
Question and response
Question
dig 72-15-64.66.static.logixcom.net. MX
Answer
The response has no answer records.
Authority
static.logixcom.net. 43200 SOA ns1.logixcom.net. hostmaster.logixcom.net. 2020081300 10800 3600 604800 43200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0