s46.fused.com has no MX records.
Question and response
Question
dig s46.fused.com. MX
Answer
The response has no answer records.
Authority
fused.com. 1800 SOA fred.ns.cloudflare.com. dns.cloudflare.com. 2396888965 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0