In order to make self-hosting as accessible as possible, the YunoHost Project provides a free and automatically configured domain name service. By using this service, you won't have to configure DNS records yourself, which can be tedious and technical.

The following (sub)domains are offered:


To use this service, you simply have to choose such a domain during the post-installation set up. It will then be automatically configured by YunoHost!

As a fairness measure, each instance may only have one such domain setup at any given time.


The, and domain service allows the creation of subdomains.

YunoHost allows the installation of applications on subdomains (for example, having the Nextcloud application accessible from the address), this feature is also allowed with the, and domains and so it is possible to have a subdomain such as To create a subdomain on, and, you just have to add the subdomain to YunoHost like any other domains.

Adding a, or domain after the post-installation

If you already did the postinstall and want to add an automatic domain, you may do so from the "Domains" web interface, selecting the option "I don't have a domain name..."

Alternatively, the following commands can be used.

# Add the domain
yunohost domain add

# Subscribe/register to the dyndns service
yunohost dyndns subscribe -d

# [ wait ~ 30 seconds ]

# Update the DNS conf
yunohost dyndns update

# Set it as the main domain
yunohost domain main-domain -n

Retrieve a, or domain

If you reinstall your server and want to use a domain already used previously, you must request a domain reset on the forum in the dedicated thread.

Change a, or domain

If you wish to use a different automatic domain, you first have to remove your present domain registration. This is done in 3 steps:

  1. Remove the domain from your instance (via webadmin or the yunohost domain remove in the CLI).
  2. Ask for registration removal in the dedicated forum thread.
  3. Remove automatic domain configuration files on your server, via CLI only: sudo rm /etc/cron.d/yunohost-dyndns && sudo rm -r /etc/yunohost/dyndns

You may then add a new domain.

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