Email Formats

{
  "mx": [
    "10 esa01.firstclass.com.",
    "10 esa02.firstclass.com."
  ],
  "spf": [
    "v=spf1 ip4:142.75.67.207 ip4:142.75.68.18 ip4:142.75.68.19 ip4:142.75.68.20 ~all"
  ]
}