Email Formats

{
  "mx": [
    "10 b1761.mx.srv.dfn.de.",
    "10 c1761.mx.srv.dfn.de.",
    "10 a1761.mx.srv.dfn.de."
  ],
  "spf": [
    "v=spf1 include:spf.mailsupport.dfn.de ip4:194.94.40.31 ip4:194.94.40.32 ip4:194.94.40.33 ip4:194.94.40.34 ~all"
  ]
}