Email Formats

{
  "mx": [
    "8 cnc.biz-email.net.",
    "7 mail.biz-email.net.",
    "5 cdn.corpemail.net.",
    "6 cdn.corp-email.cn."
  ],
  "spf": [
    "v=spf1 include:_s.corp-email.com include:spf.protection.outlook.com -all"
  ]
}