Email Formats

{
  "mx": [
    "10 d269417a.ess.barracudanetworks.com.",
    "20 d269417b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:71.154.217.152 include:spf.ess.barracudanetworks.com -all"
  ]
}