jfbextdns1.genmills.com has no MX records.
Question and response
Question
dig jfbextdns1.genmills.com. MX
Answer
The response has no answer records.
Authority
genmills.com. 900 SOA mgoextdns1.genmills.com. dom\.admin.genmills.com. 1098 10800 3600 2419200 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0