> For the complete documentation index, see [llms.txt](https://docs.prevps.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.prevps.com/documentation/spain/dominios/administrar-registros-dns.md).

# Administrar registros DNS

## Administrar registros DNS

Los registros DNS conectan su dominio a servidores y servicios.

### Tipos de registros comunes

* **A**: apunta un nombre a una dirección IPv4.
* **AAAA**: apunta un nombre a una dirección IPv6.
* **CNAME**: alias de un nombre a otro nombre.
* **MX**: enrutamiento de correo.
* **TXT**: verificación y autenticación de correo (SPF/DKIM/DMARC).

### Configuraciones típicas

#### Sitio web en un VPS

* `A` registro para `@` → la IPv4 de su VPS
* Opcional `A` registro para `www` → la IPv4 de su VPS, o `CNAME www → @`

#### Entregabilidad de correo

* SPF (TXT)
* DKIM (TXT)
* DMARC (TXT)

{% hint style="warning" %}
Registros MX/TXT incorrectos pueden romper el correo. Haga un cambio a la vez.
{% endhint %}


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