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netcup Documentation

Web Hosting

SSL Encryption

Learn how to protect your reseller web hosting domains with a free Let's Encrypt Certificate.

1. Getting Started

  1. Go to the Domains menu item.
  2. Select the desired domain.
  3. Go to the Dashboard tab and select SSL/TLS Certificates.
  4. Select Install under Install a free basic certificate provided by Let’s Encrypt.
Highlighted "Install" button.

2. Installing Certificate

  1. Optional: Adjust your email address if necessary.
  2. Optional: If you need additional protection for your subdomains, select the checkbox next to Secure the wildcard domain. Please note: Setting up with wildcard requires additional steps and will prevent the certificate from being renewed automatically.
  3. Recommended: Select Include a "www" subdomain for the domain and each selected alias to also secure the "www" subdomain.
  4. Click Get it free.
  5. Encryption with Let's Encrypt is complete. The certificate is automatically issued, set up, and renewed regularly.
Highlighted "Get it free" button.

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Last update: 17 March 2026

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