Email Formats

{
  "mx": [
    "10 st3.mx.email-filter.net.",
    "10 st2.mx.email-filter.net."
  ],
  "spf": [
    "v=spf1 ip4:84.18.209.66 ip4:84.18.203.40 +a +mx +ip4:84.18.207.64 ~all"
  ]
}