Email Formats

{
  "mx": [
    "0 ASPMX.L.GOOGLE.com.",
    "10 alt1.ASPMX.L.GOOGLE.com.",
    "10 alt2.ASPMX.L.GOOGLE.com.",
    "25 alt3.ASPMX.L.GOOGLE.com.",
    "25 alt4.ASPMX.L.GOOGLE.com."
  ]
}