Email Formats

{
  "mx": [
    "5 exchange.vri.cz.",
    "1000 posta.vri.cz.",
    "8000 webmastering.webmastering.cz."
  ],
  "spf": [
    "v=spf1  ip4:185.62.108.195 ip4:46.149.118.24 ip4:46.149.118.68 -all"
  ]
}