Email Formats

{
  "mx": [
    "200 ALT1.ASPMX.L.GOOGLE.com.",
    "500 ALT4.ASPMX.L.GOOGLE.com.",
    "400 ALT3.ASPMX.L.GOOGLE.com.",
    "300 ALT2.ASPMX.L.GOOGLE.com.",
    "100 ASPMX.L.GOOGLE.com."
  ]
}