DSW21's tech stack
What does DSW21 use?
DSW21 (dsw21.de) uses at least 10 tools we can see from public records, including Microsoft 365 for email and documents, SendGrid for email delivery, Let's Encrypt for security and Langdock for AI. Last checked .
- Industry
- Energy and Water Industries
- Based in
- Germany
- Founded
- 1857
- Company page
- Tools found
- 10
- Categories
- 6
- Layers
- 2 of 5
- Last checked
- Oct 2026
DSW21's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Application
2 tools, what the product is built with
Frontend
Company Ops
8 tools, what the team runs on day to day
Email Delivery
Workspace
Dev Tools
Security & Compliance
DSW21 tech stack FAQ
What tools does DSW21 use?
We've found 10 tools at DSW21 (dsw21.de). Application: jQuery and Langdock. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 2, 2026.
What email provider does DSW21 use?
DSW21 uses Microsoft 365 and Apple Business for email and documents. We found Microsoft 365 through email records.
Does DSW21 use Microsoft 365?
Yes. We found Microsoft 365 at DSW21 through email records. Microsoft 365 is used by 245,233 companies we track.
How does runsonwhat know what DSW21 uses?
We read public traces only: DSW21's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.