Email Formats

{
  "mx": [
    "10 d51990a.ess.barracudanetworks.com.",
    "90 d51990b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 ip4:47.50.168.91 include:spf.ess.barracuda.com include:spf.protection.outlook.com -all"
  ]
}