{
  "domain": "codigotecnico.org",
  "base_domain": "codigotecnico.org",
  "dnssec": false,
  "ns": {
    "hostnames": [
      "olmo.csic.es",
      "sabina.cti.csic.es"
    ],
    "warnings": []
  },
  "mx": {
    "hosts": [
      {
        "preference": 5,
        "hostname": "mx.csic.es",
        "addresses": [
          "161.111.10.17"
        ]
      }
    ],
    "warnings": [
      "The reverse DNS of 161.111.10.17 is smtpin.csic.es, but the A/AAAA DNS records for smtpin.csic.es do not resolve to 161.111.10.17"
    ]
  },
  "spf": {
    "record": null,
    "valid": false,
    "error": "codigotecnico.org does not have a SPF TXT record"
  },
  "dmarc": {
    "record": null,
    "valid": false,
    "location": null,
    "error": "A DMARC record does not exist for this domain or its base domain"
  }
}