Email Formats

{
  "mx": [
    "19 d286418a.ess.barracudanetworks.com.",
    "20 d286418b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a:mail1.tksva.com ip4:174.79.153.242"
  ]
}