Email Formats

{
  "mx": [
    "0 webmail.cathaylife.com.vn.",
    "0 smtp.cathaylife.com.vn."
  ],
  "spf": [
    "v=spf1 ip4:42.116.22.7 ip4:202.154.200.166 ip4:61.216.146.58 ip4:202.154.200.0 ip4:202.154.201.250/24 -all"
  ]
}