netcup will contact you in advance informing you that a renewal is required.
This only applies for certain certificates, such as Wildcard-LE.
To ensure continued safe use, our customers have to manually renew their Certificates on a regular basis.
Open your Customer Control Panel (CCP) and click the "Certificates" entry in the left navigation bar. Look for the certificate you want to renew. You can identify the specific certificate using the domain name.
The renewal process may take up to 24h to complete.
For certificates that need to be renewed, a "Renewal" button is displayed to the right of the domain. Click this button to renew your certificate: