Email Formats

{
  "mx": [
    "20 d136967b.ess.barracudanetworks.com.",
    "10 d136967a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:72.253.101.78 include:spf.ess.barracudanetworks.com ~all"
  ]
}