runsonwhat

Espersen's tech stack

What does Espersen use?

Espersen (espersen.com) uses at least 11 tools we can see from public records, including one.com for hosting, Microsoft 365 for email and documents, Valimail for security and OpenAI for AI. Last checked .

Based in
Denmark
Tools found
11
Categories
9
Layers
3 of 5
Last checked
Oct 2026

Espersen'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.

Edge & Hosting

1 tool, where the bytes are served from

Hosting & Cloud

Application

5 tools, what the product is built with

Company Ops

5 tools, what the team runs on day to day

Collaboration

Dev Tools

Finance & Legal

Security & Compliance

Espersen tech stack FAQ

What tools does Espersen use?

We've found 11 tools at Espersen (espersen.com). Edge & Hosting: one.com. Application: jQuery, Google Fonts and YouTube. Company Ops: Microsoft 365, Valimail and Autodesk. Last checked October 4, 2026.

What cloud does Espersen run on?

Espersen uses one.com for hosting. We found one.com through website code.

What email provider does Espersen use?

Espersen uses Microsoft 365 for email and documents. We found Microsoft 365 through email records, DNS verification records and website code.

Does Espersen use Microsoft 365?

Yes. We found Microsoft 365 at Espersen through email records, DNS verification records and website code. Microsoft 365 is used by 682,994 companies we track.

How does runsonwhat know what Espersen uses?

We read public traces only: Espersen'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.