Email Formats

{
  "mx": [
    "20 mail4.princess.com.",
    "20 mail3.princess.com.",
    "10 carnival-com.mail.protection.outlook.com."
  ],
  "spf": [
    "v=spf1 mx include:spf.protection.outlook.com include:spf.sabre.com -all"
  ]
}