Email Formats
{
"mx": [
"10 d127757a.ess.barracudanetworks.com.",
"20 d127757b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 a mx include:spf.protection.outlook.com ip4:74.118.88.142/32 ip4:74.118.88.143/32 ip4:69.29.140.171/32 ip4:199.114.228.68/32 ip4:73.229.75.94/32 -all"
]
}