Email Formats

{
  "mx": [
    "0 mik-vn.mail.protection.outlook.com.",
    "10 mail.vmail.com.vn."
  ],
  "spf": [
    "v=spf1 include:spf.protection.outlook.com ip4:203.162.166.105 ip4:203.162.166.72 -all"
  ]
}