Email Formats

{
  "mx": [
    "10 d339772a.ess.barracudanetworks.com.",
    "20 d339772b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 +a +mx include:spf.ess.barracudanetworks.com +ip4:12.26.251.146 +ip4:144.217.235.12 +ip4:144.217.74.54 +ip4:69.175.78.115 +ip4:69.175.78.116 +ip4:69.175.29.99 ~all"
  ]
}