Email Formats

{
  "mx": [
    "10 d304403a.ess.barracudanetworks.com.",
    "20 d304403b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:72.203.227.226 include:spf.protection.outlook.com ~all"
  ]
}