Email Formats

{
  "mx": [
    "10 nriigw35.index.or.jp.",
    "10 nriigw36.index.or.jp.",
    "10 nriigw37.index.or.jp."
  ],
  "spf": [
    "v=spf1 include:spf.nri.co.jp include:spf.cryptobin.jp include:spf2.nri.co.jp ~all"
  ]
}