Email Formats
{
"mx": [
"0 d172713a.ess.barracudanetworks.com.",
"10 d172713b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 ip4:67.20.112.63 ip4:69.195.83.222 include:spf-0.secureserver.net include:cloudfilter.net include:eigbox.net -all"
]
}