Email Formats

{
  "mx": [
    "10 d246246a.ess.barracudanetworks.com.",
    "20 d246246b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx a:mail.mckenziesp.com ip4:12.69.153.71 ip4:66.61.222.230 ~all"
  ]
}