Email Formats
{
"mx": [
"1 d309453b.ess.barracudanetworks.com.",
"0 d309453a.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 ip4:96.10.48.90 ip4:96.10.48.91 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all"
]
}