Email Formats

{
  "mx": [
    "20 wmail.bookook.co.kr."
  ],
  "spf": [
    "v=spf1 ip4:128.134.37.12 ip4:128.134.37.13 ip4:59.15.179.133 ip4:221.168.32.108 ip4:103.244.111.169 ip4:221.168.32.134 ~all"
  ]
}