Email Formats

{
  "mx": [
    "20 d343221b.ess.barracudanetworks.com.",
    "10 d343221a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:199.73.81.25/32 ip4:199.73.81.71/32 ip4:199.73.81.72/32 include:spf.ess.barracudanetworks.com ~all"
  ]
}