Email Formats

{
  "mx": [
    "20 mx1.biz.mail.yahoo.com.",
    "10 mx-biz.mail.am0.yahoodns.net.",
    "30 mx5.biz.mail.yahoo.com."
  ],
  "spf": [
    "v=spf1 ip4:66.198.240.22 +a +ip4:66.198.240.22 +include:spf.supercp.com +include:_spf.mail.yahoo.com ~all"
  ]
}