Email Formats

{
  "mx": [
    "18 smtp.isdongseo.co.kr.",
    "10 mail.isdongseo.co.kr."
  ],
  "spf": [
    "v=spf1 ip4:13.124.111.122 ip4:13.209.164.248 ip4:3.34.251.107 ip4:3.35.115.98 ip4:122.49.79.9 ip4:122.49.79.18 ~all"
  ]
}