Every domain on a website (including staging websites) that has its DNS pointed to a server will automatically request a Let's Encrypt SSL certificate (opens new window).
A certificate will be requested at the point of creation. It can take up to 5 minutes for a certificate to be provisioned, during this time a self signed certificate will be issued.
All Let's Encrypt certificates are issued for 3 months. Our control panel will automatically request a new certificate 3 days prior to expiry.
When a Let's Encrypt certificate is requested it uses the servers own DNS resolver. In some cases, for example if the DNS has recently been update this may cause a delay in provisioning as the previous DNS will have been cached.