marina.budget.jp.net has no MX records.
Question and response
Question
dig marina.budget.jp.net. MX
Answer
The response has no answer records.
Authority
budget.jp.net. 1800 SOA adam.ns.cloudflare.com. dns.cloudflare.com. 2398324022 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0