Email Formats

{
  "mx": [
    "10 mx-biz.mail.am0.yahoodns.net.",
    "20 mx-biz.mail.am0.yahoodns.net.",
    "30 mx-biz.mail.am0.yahoodns.net."
  ],
  "spf": [
    "kv=spf1 mx a ptr ip4:50.57.34.101 a:yns1.yahoo.com ?all",
    "v=spf1 mx include:spf.mail.protection.aios-notifications.com -all"
  ]
}