Email Formats
{
"mx": [
"10 usb-smtp-inbound-1.mimecast.com.",
"10 usb-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:67.222.33.93 include:usb._netblocks.mimecast.com include:mktomail.com include:_spf.google.com include:spf.mandrillapp.com include:6448820.spf04.hubspotemail.net include:amazonses.com ~all"
]
}