Email Formats

{
  "mx": [
    "10 d325813a.ess.barracudanetworks.com.",
    "20 d325813b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx include:spf.mtasv.net include:22768512.spf01.hubspotemail.net include:spf.ess.barracudanetworks.com include:_spf.google.com ~all"
  ]
}