Email Formats

{
  "mx": [
    "10 d198238a.ess.barracudanetworks.com.",
    "20 d198238b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx include:mailgun.org ip4:38.97.93.66 include:spf.protection.outlook.com ~all"
  ]
}