static.zoot.jp has no MX records.
Question and response
Question
dig static.zoot.jp. MX
Answer
The response has no answer records.
Authority
static.zoot.jp. 3600 SOA dns1.interlink.or.jp. ilns.interlink.ad.jp. 2025100201 86400 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0