Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 mx include:us._netblocks.mimecast.com include:aspmx.pardot.com include:2297879.spf01.hubspotemail.net ip4:149.72.70.129 ip4:168.245.7.62 ~all"
]
}