Email Formats

{
  "mx": [
    "0 d130851a.ess.barracudanetworks.com.",
    "1 d130851b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a ptr ip4:50.76.90.33 ip4:50.76.90.38 a:spf.ess.barracudanetworks.com include:barracudanetworks.com include:zcsend.net ~all"
  ]
}