Email Formats

{
  "mx": [
    "40 isi-screens-com.p40.mxthunder.net.",
    "20 isi-screens-com.p20.mxthunder.net.",
    "10 isi-screens-com.p10.mxthunder.com.",
    "30 isi-screens-com.p30.mxthunder.net."
  ],
  "spf": [
    "v=spf1 include:_spf.google.com include:_spf.isi.itulmail.com ~all"
  ]
}