Email Formats

{
  "mx": [
    "10 mail.sys4.de."
  ],
  "spf": [
    "v=spf1 ip4:212.114.206.217 ip4:194.126.158.132 ip4:194.126.158.144 ip4:188.68.34.52 ip6:2001:1578:400:111::7 ip6:2a03:4000:10:51d:b8ce:63ff:feca:a5a0 -all"
  ]
}