Email Formats

{
  "mx": [
    "5 mx2.comtech.com.cn.",
    "10 mx1.comtech.com.cn."
  ],
  "spf": [
    "v=spf1 ip4:202.104.101.7 ip4:202.104.101.6 include:spf.protection.outlook.com -all"
  ]
}