Email Formats

{
  "mx": [
    "10 d275336a.ess.barracudanetworks.com.",
    "20 d275336b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:75.37.60.113 include:spf.ess.barracudanetworks.com -all"
  ]
}