Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:192.254.121.248/32 ip4:165.193.51.6/32 include:us._netblocks.mimecast.com include:_phishspf.knowbe4.com include:spf.protection.outlook.com include:mail.zendesk.com include:mailgun.menloequities.com -all"
]
}