Email Formats

{
  "mx": [
    "10 smtp-02.servidoresdns.net."
  ],
  "spf": [
    "v=spf1 +a +mx +ip4:178.33.162.91 +ip4:51.255.210.52 +ip4:51.178.123.252 include:_spf.arsys.es ~all"
  ]
}