Email Formats

{
  "mx": [
    "20 mx6.securemx.jp.",
    "10 mx.securemx.jp."
  ],
  "spf": [
    "v=spf1 ip4:133.243.0.0/16 ip6:2001:df0:232::/48 include:spf.securemx.jp include:spf.protection.outlook.com include:_ext-spf.nict.go.jp -all"
  ]
}