Email Formats

{
  "mx": [
    "10 mail.soc365.cz.",
    "20 mail.visitech.cz."
  ],
  "spf": [
    "v=spf1 a:mx1.visitech.cz ip4:77.240.189.163 ip6:2A02:E98:20:1700::A3 include:sparkpostmail.com -all"
  ]
}