Email Formats

{
  "mx": [
    "10 d232017a.ess.barracudanetworks.com.",
    "20 d232017b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 mx ip4:173.251.47.15 ip4:173.251.47.3 ip4:115.186.128.19 include:spf.protection.outlook.com -all"
  ]
}