Email Formats
{
"mx": [
"10 usb-smtp-inbound-2.mimecast.com.",
"10 usb-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 ip4:66.129.126.137 ip4:136.179.128.0/24 ip4:170.76.175.0/24 ip4:207.187.164.0/24 include:usb._netblocks.mimecast.com include:_spf.hosting.cdkcrm.com include:mail.zendesk.com include:dospf.simplepart.com include:spf_c.oraclecloud.com ~all"
]
}