Email Formats

{
  "mx": [
    "5 ntvirus2.url.com.tw.",
    "0 ntvirus.url.com.tw."
  ],
  "spf": [
    "v=spf1 ip4:61.222.133.245 mx ~all",
    "v=spf1 a mx ip4:210.59.228.0/24 ip4:210.59.229.0/25"
  ]
}