Email Formats

{
  "mx": [
    "200 d21990b.ess.barracudanetworks.com.",
    "100 d21990a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:66.151.76.10/32 include:spf.ess.barracudanetworks.com ~all"
  ]
}