Email Formats

{
  "mx": [
    "20 d322184b.ess.barracudanetworks.com.",
    "10 d322184a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:4.53.138.60/30 ip4:4.53.138.128/28 -all"
  ]
}