Email Formats
{
"mx": [
"20 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 a mx include:us._netblocks.mimecast.com include:_spf.ultipro.com include:spf.constantcontact.com include:43629375.spf01.hubspotemail.net include:relay.kinstamailservice.com ~all"
]
}