ns.volleyball.ne.jp has no MX records.
Question and response
Question
dig ns.volleyball.ne.jp. MX
Answer
The response has no answer records.
Authority
volleyball.ne.jp. 120 SOA ns.volleyball.ne.jp. root.volleyball.ne.jp. 2025052301 1800 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0