Email Formats

{
  "mx": [
    "10 d17753a.ess.barracudanetworks.com.",
    "100 d17753b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx ip4:207.255.4.116 ip4:207.255.27.48 ip4:63.40.112.183 include:spf.ess.barracudanetworks.com -all"
  ]
}