Email Formats
{
"mx": [
"10 au-smtp-inbound-2.mimecast.com.",
"10 au-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 ip4:199.231.136.147 ip4:199.231.136.53 include:spf.dynect.net include:_spf.google.com include:au._netblocks.mimecast.com -all"
]
}