Email Formats

{
  "mx": [
    "10 a1202.mx.srv.dfn.de.",
    "10 b1202.mx.srv.dfn.de.",
    "10 c1202.mx.srv.dfn.de."
  ],
  "spf": [
    "v=spf1 include:dkfz-heidelberg.de mx ~all"
  ]
}