Email Formats

{
  "mx": [
    "10 d183572a.ess.barracudanetworks.com.",
    "20 d183572b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a ptr ip4:66.230.240.73/32 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:_spf.psm.knowbe4.com ~all"
  ]
}