Email Formats

{
  "mx": [
    "0 d307241a.ess.barracudanetworks.com.",
    "5 d307241b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx ptr ip4:74.220.215.83 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all"
  ]
}