Email Formats

{
  "mx": [
    "10 d252091a.ess.barracudanetworks.com.",
    "10 d252091b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a: include:_spf.google.com include:_spf.hostedemail.com ~all"
  ]
}