Email Formats

{
  "mx": [
    "10 mx2.tigertech.net.",
    "20 mx3.tigertech.net.",
    "10 mx1.tigertech.net."
  ],
  "spf": [
    "v=spf1 include:tigertech.net ip4:207.211.31.0/25 ip4:205.139.110.0/24 ip4:205.139.111.0/24 ~all"
  ]
}