Email Formats

{
  "mx": [
    "20 mx-biz.mail.am0.yahoodns.net."
  ],
  "spf": [
    "v=spf1 a mx include:yahoo.com ip4:72.139.52.130 include:ca.zeptomail.net include:zcsend.ca include:_spf.firebasemail.com ~all"
  ]
}