When you come across a domain like static.toom.de, the first question is whether it belongs to a real company. The answer is yes: toom.de is a legitimate German DIY and gardening retailer with physical stores across Germany. This subdomain appears to be used for serving static content like images or CSS files, not for collecting payments or personal data.
Most of the trust signals here are positive. The site uses modern encryption, has a security.txt disclosure policy, and has been archived in the Wayback Machine since 2021. There's no contact form or about page, but that's completely normal for a content delivery subdomain. You wouldn't expect to find a phone number on a server that just hosts pictures.
The main thing to be aware of is that static.toom.de is not a storefront. If you're redirected here from the main toom.de site while shopping, that's expected behavior. If someone sends you a link asking you to enter personal info on this subdomain, treat that as suspicious. But for its role as a static asset host, it's a mostly safe and well-maintained part of a reputable business's infrastructure.