Email Formats
{
"mx": [
"10 d84946a.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 a ip4:66.246.115.70 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf.constantcontact.com include:spf.sendinblue.com mx ~all"
]
}