Email Formats

{
  "mx": [
    "10 d310834a.ess.barracudanetworks.com.",
    "20 d310834b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a ptr include:spf.protection.outlook.com include:spf.smtp2go.com include:spf.ess.barracudanetworks.com ~all"
  ]
}