Email Formats

{
  "mx": [
    "10 d162114a.ess.barracudanetworks.com.",
    "10 d162114b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 include:spf.groupm7.com ip4:52.72.61.75 ip4:52.71.175.133 -all"
  ]
}