Email Formats

{
  "mx": [
    "20 d105617b.ess.barracudanetworks.com.",
    "0 d105617a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 +a +mx +ip4:162.211.81.241 +ip4:198.136.56.98 +ip4:138.128.165.98 ~all"
  ]
}