Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:207.190.236.219/29 ip4:198.24.246.199 ip4:3.216.243.64 ip4:40.143.158.10 ip4:40.142.108.73\" \" include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:mail.zendesk.com include:spf.constantcontact.com include:spf.us.exclaimer.net ~all"
]
}