Email Formats

{
  "mx": [
    "5 uzk-mail-in-v1.rrz.uni-koeln.de.",
    "5 uzk-mail-in-v2.rrz.uni-koeln.de."
  ],
  "spf": [
    "v=spf1 ip4:134.95.0.0/16 ip4:109.69.68.140 ip6:2a00:a200::/48 include:agenturserver.de ?all"
  ]
}