Let's Encrypt Certificates

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Let’s Encrypt is a certification authority that proposes a simple way to generate free certificates. The certificates offered are Domain Validation type ones, valid for 90 days.

Automatically generated certificates

alwaysdata automatically generates and renews a Let’s Encrypt certificate for every address pointing to our servers and it is added in the Web > Sites section. Hence, every site hosted on its servers handles HTTPS protocol.

You can view them in the Advanced > SSL certificates > Automatically generated certificates section:

Administration interface: automatically generated certificates
Administration interface: automatically generated certificates

.alwaysdata.net addresses are handled by the *.alwaysdata.net wildcard certificate returned by default by the servers.

From 20 SSL certificates per domain, i.e. from the 20th subdomain has been added to Web > Sites, the system will generate a wildcard certificate to manage the following subdomains.

Certificate generation is limited to 64 characters per complete address.

The SSL certificate is automatically generated and renewed, you will find it in the “Auto-generated certificates” menu.

To avoid duplicates, alwaysdata blocks Let’s Encrypt certificate generation for all addresses that are already generated automatically. You can contact support if you wish to completely manage SSL certificate generation for a domain.

The creation of these certificates is dependent on DNS propagation: the address must point to alwaysdata servers. Once the address is added in Web > Sites, the system will attempt to generate its certificate every 30 minutes for 24 hours. This will then change to once a day.

People who add the addresses before changing the DNS records can, after making the changes with their DNS provider, restart - once - autogeneration by deleting the addresses from the site in Web > Sites and putting them back a few seconds later.

Wildcard certificates

When a domain use our DNS servers, it is possible to generate a wildcard certificate - *.example.org structure - in Advanced > SSL certificates > Add a SSL certificate > Create a Let’s Encrypt certificate. This certificate will be automatically renewed by the system.