stewie.bigscoots.com has no MX records.
Question and response
Question
dig stewie.bigscoots.com. MX
Answer
The response has no answer records.
Authority
bigscoots.com. 1800 SOA cloe.ns.cloudflare.com. dns.cloudflare.com. 2397767841 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0