Email Formats

{
  "mx": [
    "101 d131936b.ess.barracudanetworks.com.",
    "100 d131936a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:200.47.3.0/24 include:spf.ess.barracudanetworks.com -all"
  ]
}