Email Formats
{
"mx": [
"10 usb-smtp-inbound-1.mimecast.com.",
"10 usb-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:58.211.166.134 ip4:216.194.97.9 ip4:216.194.97.200 include:usb._netblocks.mimecast.com include:aspmx.pardot.com include:_spf.createsend.com include:_spf.salesforce.com include:_spf.brainier.com include:_spf.psm.knowbe4.com\" \" include:spf.protection.outlook.com -all"
]
}