Email Formats

{
  "mx": [
    "10 blacktommb2.ubase.co.kr.",
    "10 blacktommb.ubase.co.kr."
  ],
  "spf": [
    "v=spf1 ip4:211.59.88.100 ip4:211.59.88.164 ip4:211.59.88.165 include:_spf.google.com ~all"
  ]
}