Email Formats

{
  "mx": [
    "10 email.daishin.co.kr.",
    "20 mail.daishin.co.kr."
  ],
  "spf": [
    "v=spf1 ip4:203.233.6.25 ip4:203.233.6.252 ip4:203.233.6.253 ip4:203.233.6.20 ip4:203.233.6.40 -all"
  ]
}