Email Formats

{
  "mx": [
    "10 nessaspv9.netnsecu.co.kr.",
    "20 mail.bit.kr."
  ],
  "spf": [
    "v=spf1 ip4:122.199.225.3 ip4:59.10.164.99 ip4:49.247.32.185 ~all"
  ]
}