Email Formats

{
  "mx": [
    "9 mx.usa.net.",
    "10 mx.ct.mbox.net."
  ],
  "spf": [
    "v=spf1 +a +mx +ip4:34.174.47.42 +ip4:47.206.172.236 +ip4:47.206.237.197 include:spf.constantcontact.com include:spf.usa.net include:spf.protection.outlook.com"
  ]
}