static.72.152.119.168.setxrm.com has no MX records.
Question and response
Question
dig static.72.152.119.168.setxrm.com. MX
Answer
The response has no answer records.
Authority
setxrm.com. 1800 SOA sean.ns.cloudflare.com. dns.cloudflare.com. 2397326347 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0