Email Formats

{
  "mx": [
    "10 criticalfrequency-com.mail.protection.office365.us."
  ],
  "spf": [
    "v=spf1 include:usb._netblocks.mimecast.com include:zcsend.net include:spf.protection.outlook.com include:spf.protection.office365.us include:_spf.smtp.com ~all"
  ]
}