box5607.bluehost.com has no MX records.
Question and response
Question
dig box5607.bluehost.com. MX
Answer
The response has no answer records.
Authority
bluehost.com. 1800 SOA cody.ns.cloudflare.com. dns.cloudflare.com. 2397706037 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0