Email Formats
{
"mx": [
"10 primary.us.email.fireeyecloud.com.",
"20 alt1.us.email.fireeyecloud.com.",
"30 alt2.us.email.fireeyecloud.com.",
"40 alt3.us.email.fireeyecloud.com.",
"60 bdsmail.bestdenki.com.sg."
],
"spf": [
"v=spf1 ip4:10.1.0.84 ip4:203.127.151.240 ~all"
]
}