Email Formats

{
  "mx": [
    "90 d150320a.ess.barracudanetworks.com.",
    "95 d150320b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:216.8.73.112/28 ip4:216.8.94.74/32 ~all"
  ]
}