Email Formats

{
  "mx": [
    "3 ALT1.ASPMX.L.GOOGLE.com.",
    "5 ASPMX3.GOOGLEMAIL.com.",
    "5 ASPMX2.GOOGLEMAIL.com.",
    "3 ALT2.ASPMX.L.GOOGLE.com.",
    "1 ASPMX.L.GOOGLE.com."
  ]
}