Email Formats

{
  "mx": [
    "9 d306791a.ess.barracudanetworks.com.",
    "10 d306791b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:67.52.195.187 include:spf.ess.barracudanetworks.com -all"
  ]
}