Email Formats

{
  "mx": [
    "10 mail.daesung.co.kr.",
    "0 sniper.daesung.co.kr."
  ],
  "spf": [
    "v=spf1 ip4:222.111.242.146 ip4:222.111.242.149 ip4:121.160.24.135 ip4:52.79.59.40 ip4:13.124.157.43 ~all"
  ]
}