Email Formats

{
  "mx": [
    "2 spam.etri.re.kr."
  ],
  "spf": [
    "v=spf1 ip4:129.254.9.16 ip4:129.254.27.140 ip4:211.180.235.152 ip4:211.180.235.153 ip4:129.254.38.251 ip4:129.254.9.63 -all"
  ]
}