Email Formats

{
  "mx": [
    "10 mailgw.donga.co.kr."
  ],
  "spf": [
    "v=spf1 ip4:220.117.55.13 ip4:112.76.169.77 ip4:112.76.169.16 ip4:112.76.169.61 ip4:112.76.169.62 ip4:112.76.169.60 ip4:172.16.1.90 ip4:172.16.1.95 ip4:172.16.1.96 ~all"
  ]
}