Email Formats
{
"mx": [
"0 d326226a.ess.barracudanetworks.com.",
"1 d326226b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 ip4:70.184.235.121 ip4:162.228.254.251 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:_spf.stgi.net include:mailgun.org -all"
]
}