Email Formats

{
  "mx": [
    "20 d120148b.ess.barracudanetworks.com.",
    "10 d120148a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:173.220.27.130/32 ip4:66.11.129.48 include:spf.ess.barracudanetworks.com ~all"
  ]
}