Email Formats

{
  "mx": [
    "1 d47721a.ess.barracudanetworks.com.",
    "2 d47721b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx ip4:173.163.251.17 mx:gdmail.gd-ltd.com mx:mail.gd-ltd.com ~all"
  ]
}