Email Formats

{
  "mx": [
    "10 d169993a.ess.barracudanetworks.com.",
    "20 d169993b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 include:spf.ess.barracudanetworks.com include:spf.constantcontact.com include:em2660.ussupply.com ip4:71.185.69.71 ip4:50.73.193.137 ip4:216.75.244.45 -all"
  ]
}