Email Formats

{
  "mx": [
    "20 mx.keeper.ua.",
    "30 ns2.keeper.ua.",
    "10 mail.keeper.ua."
  ],
  "spf": [
    "v=spf1 a mx ip4:192.168.20.0/22 ip4:213.174.23.0/24 ip4:195.234.148.0/24 ip4:87.246.173.0/24 ip4:3.75.72.48/32 ~all"
  ]
}