cnt.fraunhofer.de is a subdomain of the Fraunhofer-Gesellschaft, one of Europe's largest research organizations. The site focuses on computing technologies at Fraunhofer IPMS, a legitimate and well-known institute.
For a research institute, transparency and identity are critical, and this site delivers. It has an Impressum with the registered business address, contact information, and an about page. The domain has been active for over 20 years, and the SSL certificate is valid. Security headers are properly set, and email authentication prevents spoofing.
There are no scam indicators: no blacklisting, no phishing flags, and no suspicious hidden content beyond normal navigation elements. The redirect to the main IPMS site is expected for a subdomain. In short, cnt.fraunhofer.de is safe to use and belongs to a legitimate public research entity.