Email Formats

{
  "mx": [
    "20 mx.ct.mbox.net.",
    "10 mx.usa.net."
  ],
  "spf": [
    "v=spf1 mx ptr ip4:208.109.181.216 ip4:67.222.151.154  include:Spf.usa.net include:u7903245.wl246.sendgrid.net -all"
  ]
}