Email Formats

{
  "mx": [
    "15 mx1.avonet.cz.",
    "10 mail.gaston.cz.",
    "20 gaston-cz.mail.protection.outlook.com."
  ],
  "spf": [
    "v=spf1 mx ip4:178.20.136.100 include:spf-ms.avonet.cz -all"
  ]
}