Email Formats

{
  "mx": [
    "10 ASPMX.L.GOOGLE.COM.",
    "20 ALT1.ASPMX.L.GOOGLE.COM.",
    "20 ALT2.ASPMX.L.GOOGLE.COM.",
    "30 ALT3.ASPMX.L.GOOGLE.COM.",
    "30 ALT4.ASPMX.L.GOOGLE.COM."
  ]
}