Email Formats
{
"mx": [
"1 d307272a.ess.barracudanetworks.com.",
"11 d307272b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 include:_spf.google.com include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ~all"
]
}