Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 a mx ip4:72.232.196.187 ip4:72.232.196.188 ip4:72.232.240.226 include:_spf.google.com include:et._spf.pardot.com include:spf.ihance.net include:mail.zendesk.com exists:%{i}._spf.sparkpostmail.com -all"
]
}