Email Formats

{
  "mx": [
    "1 d248204a.ess.barracudanetworks.com.",
    "5 d248204b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 include:_spf.firebasemail.com include:spf.mailengine1.com include:spf.protection.outlook.com -all"
  ]
}