Email Formats

{
  "mx": [
    "20 mx1.sdi-muenchen.de.",
    "20 mail.sdi-muenchen.de."
  ],
  "spf": [
    "v=spf1 a:mail.sdi-muenchen.de mx ip4:80.67.17.139 ip6:2a00:1158:1000:300::28b -all"
  ]
}