Email Formats

{
  "mx": [
    "20 d262036b.ess.barracudanetworks.com.",
    "10 d262036a.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:68.21.221.0/24 ip4:50.206.83.160/27 ip4:96.2.240.160/27 ip4:24.220.45.142/32 -all"
  ]
}