internetfacilities.ne.jp has no MX records.
Question and response
Question
dig internetfacilities.ne.jp. MX
Answer
The response has no answer records.
Authority
internetfacilities.ne.jp. 3600 SOA ns1.internetfacilities.ne.jp. aigarash.softbank.co.jp. 2009080501 3600 1800 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0