Email Formats

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