Email Formats

{
  "mx": [
    "10 d301352a.ess.barracudanetworks.com.",
    "20 d301352b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:209.222.80.0/21 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all"
  ]
}