Email Formats

{
  "mx": [
    "0 youngone-co-kr.mail.protection.outlook.com."
  ],
  "spf": [
    "v=spf1 ip4:112.170.35.92 ip4:54.180.17.209 ip4:112.170.35.60  include:spf.protection.outlook.com ~all"
  ]
}