Email Formats

{
  "mx": [
    "20 mx-biz.mail.am0.yahoodns.net.",
    "30 mx-biz.mail.am0.yahoodns.net."
  ],
  "spf": [
    "v=spf1 a mx a:atebco.com include:zcsend.net include:_spf.mail.yahoo.com -all"
  ]
}