Email Formats

{
  "mx": [
    "10 d163165a.ess.barracudanetworks.com.",
    "20 d163165b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a ip4:173.221.34.36/32 ip4:173.221.34.34/32 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf.blackboardconnect.com include:spf.constantcontact.com -all"
  ]
}