Email Formats

{
  "mx": [
    "10 mail.voltampere.nl.",
    "20 fallbackmail.zxcs.nl."
  ],
  "spf": [
    "v=spf1 a mx ip4:185.104.29.0/24 ip4:185.104.29.70 ip6:2a06:2ec0:1:0:0:0:0:113 include:filter-out.zxcs.nl ~all"
  ]
}