Email Formats

{
  "mx": [
    "10 mx-serv5.uni-due.de.",
    "10 mx-serv3.uni-due.de.",
    "10 mx-serv4.uni-due.de."
  ],
  "spf": [
    "v=spf1 ip4:132.252.0.0/16 ip4:134.91.0.0/16 ip4:193.30.112.1 ip6:2001:638:501::/48 include:_spf.tivian.com include:_spf.zimpel.de include:spf.server-he.de mx ~all"
  ]
}