# What does Fastdocs.de use?

Fastdocs.de (fastdocs.de) shows public evidence of 14 tools, according to runsonwhat (last checked 2026-10-23).

- Industry: IT Services
- Size: 11–50 employees
- Based in: Solingen, Germany
- Founded: 2019
- LinkedIn: https://www.linkedin.com/company/fastdocs-de-gmbh

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [IONOS](https://www.runsonwhat.com/reverse/ionos) | Hosting & Cloud | Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |
| [Lottie](https://www.runsonwhat.com/reverse/lottie) | Media & UI | Website code |  |
| [Astro](https://www.runsonwhat.com/reverse/astro) | Frontend | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records |  |
| [Freshdesk](https://www.runsonwhat.com/reverse/freshdesk) | Support & Docs | Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records, Website code |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Mailjet](https://www.runsonwhat.com/reverse/mailjet) | Email Delivery | Email records, Website code |  |
| [EasyDMARC](https://www.runsonwhat.com/reverse/easydmarc) | Security & Compliance | Email records |  |
| [Usercentrics](https://www.runsonwhat.com/reverse/usercentrics) | Security & Compliance | Website code |  |

## Recent changes at Fastdocs.de

- 2026-10-23: started using [Zendesk](https://www.runsonwhat.com/reverse/zendesk)

## FAQ

### What tools does Fastdocs.de use?

As of October 2026, runsonwhat has found 14 tools at Fastdocs.de (fastdocs.de) in public records. Edge & Hosting: IONOS. Application: Tailwind CSS, Lottie and Astro. Go-to-market: LinkedIn Insight Tag, Zendesk and Freshdesk. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 23, 2026.

### What cloud does Fastdocs.de run on?

Fastdocs.de uses IONOS for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found IONOS through IONOS code on fastdocs.de. IONOS is used by 22,867 companies runsonwhat tracks.

### What email provider does Fastdocs.de use?

Fastdocs.de uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 716,550 companies runsonwhat tracks.

### What does Fastdocs.de use for customer support?

Fastdocs.de uses Zendesk for customer support and documentation, alongside Freshdesk, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 42,359 companies runsonwhat tracks.

### Does Fastdocs.de use SendGrid?

Yes. runsonwhat found SendGrid at Fastdocs.de through email records that authorize SendGrid. SendGrid is a Email Delivery tool used by 195,055 companies runsonwhat tracks.

### Has Fastdocs.de changed tools recently?

Yes. On runsonwhat's rechecks, Fastdocs.de started using Zendesk (latest on October 23, 2026). A change counts only between two checks of fastdocs.de done the same way.

### How does runsonwhat know what Fastdocs.de uses?

runsonwhat reads public records only. Of the 14 tools at Fastdocs.de, 6 were found through email records, 6 through code on fastdocs.de and 2 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and fastdocs.de about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/fastdocs.de (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.
