Email Formats

{
  "mx": [
    "5 d123738a.ess.barracudanetworks.com.",
    "10 d123738b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:173.231.115.68 include:spf.ess.barracudanetworks.com -all"
  ]
}