Email Formats

{
  "mx": [
    "10 d171225a.ess.barracudanetworks.com.",
    "20 d171225b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx ptr include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:mail.nurseassist.com -all"
  ]
}