Email Formats

{
  "mx": [
    "10 b2881.mx.srv.dfn.de.",
    "10 a2881.mx.srv.dfn.de.",
    "10 c2881.mx.srv.dfn.de."
  ],
  "spf": [
    "v=spf1 ip4:134.99.18.0/24 ip4:134.99.128.0/24 ip4:134.99.108.0/27 ip4:134.99.108.128/27 include:spf.qb-feedback.com include:_spf.o288.mx.srv.dfn.de -all"
  ]
}