Email Formats

{
  "mx": [
    "10 d273093a.ess.barracudanetworks.com.",
    "20 d273093b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a include:_spf.google.com include:spf.ess.barracudanetworks.com include:2811821.spf02.hubspotemail.net -all"
  ]
}