disney.jp has no MX records.
Question and response
Question
dig disney.jp. MX
Answer
The response has no answer records.
Authority
disney.jp. 300 SOA ns1.disneyinternational.net. awsdns-hostmaster.amazon.com. 3000000000 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0