Email Formats

{
  "mx": [
    "10 d337017a.ess.barracudanetworks.com.",
    "20 d337017b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:24.246.113.100 include:spf.ess.barracudanetworks.com -all"
  ]
}