Email Formats

{
  "mx": [
    "10 aspmx.l.google.com.",
    "20 alt1.aspmx.l.google.com.",
    "20 alt2.aspmx.l.google.com.",
    "30 aspmx2.googlemail.com.",
    "30 aspmx3.googlemail.com.",
    "9999 ms30487396.msv1.invalid."
  ],
  "spf": []
}