Email Formats

{
  "mx": [
    "30 mx.ct.mbox.net.",
    "40 mx.usa.net.",
    "20 d341070b.ess.barracudanetworks.com.",
    "10 d341070a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:spf.usa.net -all"
  ]
}