Email Formats

{
  "mx": [
    "10 mx3.stadt-zuerich.ch.",
    "32767 ms12759717.msv1.invalid.vbz.ch.",
    "50 mx4.stadt-zuerich.ch."
  ],
  "spf": [
    "v=spf1 ip4:194.56.33.0/26 ip4:213.52.186.141 ip4:213.52.186.142 ip4:35.214.208.81 ip4:35.214.213.218 ip4:35.214.183.81 ip4:35.214.212.238 ip4:5.102.145.30 ip6:2a06:c01:1:1102::30 ip4:5.102.151.229 ip6:2a06:c00::56fd ~all"
  ]
}