Email Formats

{
  "mx": [
    "10 d126867a.ess.barracudanetworks.com.",
    "20 d126867b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:65.152.22.83 include:spf.ess.barracudanetworks.com include:spf.constantcontact.com ip4:208.90.22.0/24 -all"
  ]
}