Email Formats

{
  "mx": [
    "10 d254351a.ess.barracudanetworks.com.",
    "20 d254351b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com mx a:email.singersf.com a:mail.singersf.com -all"
  ]
}