Email Formats

{
  "mx": [
    "10 d150143a.ess.barracudanetworks.com.",
    "20 d150143b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:50.75.20.245 include:spf.ess.barracudanetworks.com -all"
  ]
}