Email Formats

{
  "mx": [
    "10 d42448a.ess.barracudanetworks.com.",
    "10 d42448b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:216.36.29.82 ip4:74.125.148.0/22 ip4:209.222.80.0/21 include:_spf.psm.knowbe4.com include:spf.ess.barracudanetworks.com ~all"
  ]
}