Email Formats

{
  "mx": [
    "10 d72384a.ess.barracudanetworks.com.",
    "20 d72384b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:74.92.15.250/32 include:spf.ess.barracudanetworks.com ~all"
  ]
}