Email Formats

{
  "mx": [
    "1 cdf28.gfnorte.com.mx.",
    "1 cdf27.gfnorte.com.mx.",
    "10 cdf26.gfnorte.com.mx.",
    "10 cdf25.gfnorte.com.mx."
  ],
  "spf": [
    "v=spf1 mx -all"
  ]
}