Email Formats

{
  "mx": [
    "1 email.metropolitanland.com."
  ],
  "spf": [
    "v=spf1 ip4:202.137.6.210 ip4:202.137.6.212 ip4:202.137.3.89 ip4:103.168.168.218  +a:email.metropolitanland.com +mx ~all"
  ]
}