Email Formats

{
  "mx": [
    "20 a.mx.rootnexus.net.",
    "10 b.mx.rootnexus.net."
  ],
  "spf": [
    "v=spf1 mx:rootnexus.net ip4:87.253.170.5 ip4:87.253.170.25 include:buchhaltungsbutler.de -all"
  ]
}