Email Formats

{
  "mx": [
    "10 ironport.xander.com.tw."
  ],
  "spf": [
    "v=spf1 a mx ip4:122.146.3.3 ip4:122.146.3.51 ip4:122.146.3.21 ip4:60.248.69.254 -all"
  ]
}