Email Formats

{
  "mx": [
    "5 smtpin.rzone.de."
  ],
  "spf": [
    "v=spf1 a mx ip4:85.214.239.92 ip6:2a01:238:42a2:9b00:3c3c:fb77:bfec:13a3 ip4:81.169.239.128 ip6:2a01:238:4269:8600:1ec3:b602:e248:d363"
  ]
}