Email Formats

{
  "mx": [
    "20 aqua-new.rahul.net.",
    "10 duke.josephson.com."
  ],
  "spf": [
    "v=spf1 mx a ip4:216.173.137.0/16 ip4:64.142.0.0/8 ip4:50.196.190.0/24 a:sonic.net include:email-od.com ~all"
  ]
}