Email Formats

{
  "mx": [
    "10 mailgw1.dfx.co.jp.",
    "20 mailgw2.dfx.co.jp."
  ],
  "spf": [
    "v=spf1 ip4:118.238.221.229 ip4:160.16.100.35 ip4:153.126.190.123 ip4:118.238.3.242 ip6:2001:e42:102:1526:160:16:100:35 ip6:2401:2500:102:3031:153:126:190:123 include:_spf.google.com ~all"
  ]
}