Email Formats

{
  "mx": [
    "10 mail.softwaretest.jp."
  ],
  "spf": [
    "v=spf1 ip4:202.172.28.163 ip4:54.95.128.63 ip4:160.16.68.160 ip4:52.199.3.197 ip4:18.177.75.40 ~all"
  ]
}