Email Formats

{
  "mx": [
    "10 mail2.shinsegae.co.kr.",
    "0 imss.shinsegae.co.kr."
  ],
  "spf": [
    "v=spf1 ip4:210.92.198.4 ip4:210.92.198.198 ip4:210.92.198.199 ~all"
  ]
}