Email Formats

{
  "mx": [
    "10 mx.serviciodecorreo.es.",
    "30 grupocastrosua.mail.protection.outlook.com.",
    "20 castrosua-com.mail.protection.outlook.com."
  ],
  "spf": [
    "v=spf1 include:_spf.serviciodecorreo.es include:spf.protection.outlook.com ~all"
  ]
}