> 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/documentation-fr/domaines/gerer-les-enregistrements-dns.md).

# Gérer les enregistrements DNS

## Gérer les enregistrements DNS

Les enregistrements DNS relient votre domaine aux serveurs et services.

### Types d'enregistrements courants

* **A**: pointe un nom vers une adresse IPv4.
* **AAAA**: pointe un nom vers une adresse IPv6.
* **CNAME**: fait d'un nom un alias d'un autre nom.
* **MX**: routage du courrier.
* **TXT**: vérification et authentification des e-mails (SPF/DKIM/DMARC).

### Configurations typiques

#### Site web sur un VPS

* `A` enregistrement pour `@` → votre IPv4 du VPS
* Optionnel `A` enregistrement pour `www` → votre IPv4 du VPS, ou `CNAME www → @`

#### Livrabilité des e-mails

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

{% hint style="warning" %}
De mauvais enregistrements MX/TXT peuvent casser les e-mails. Faites un changement à la fois.
{% endhint %}


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