# What does GREENFIBER use?

GREENFIBER (greenfiber.de) shows public evidence of 13 tools, according to runsonwhat (last checked 2026-10-19).

- Industry: Telecommunications
- Size: 51–200 employees
- Based in: Hamburg, Germany
- Founded: 2019
- LinkedIn: https://www.linkedin.com/company/greenfiber-de

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code |  |
| [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code |  |
| [Brevo](https://www.runsonwhat.com/reverse/brevo) | Marketing | DNS verification records, Email records, Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Webex](https://www.runsonwhat.com/reverse/webex) | Collaboration | DNS verification records |  |
| [Usercentrics](https://www.runsonwhat.com/reverse/usercentrics) | Security & Compliance | Website code |  |

## FAQ

### What tools does GREENFIBER use?

As of October 2026, runsonwhat has found 13 tools at GREENFIBER (greenfiber.de) in public records. Edge & Hosting: Cloudflare. Application: Tailwind CSS. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Apple Business and Webex. Last checked October 19, 2026.

### What email provider does GREENFIBER use?

GREENFIBER uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 710,099 companies runsonwhat tracks.

### What analytics tools does GREENFIBER use?

GREENFIBER uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on greenfiber.de. Google Analytics is used by 877,049 companies runsonwhat tracks.

### What marketing software does GREENFIBER use?

GREENFIBER uses Brevo for marketing, according to runsonwhat (October 2026). runsonwhat found Brevo through a DNS verification record for Brevo and email records. Brevo is used by 79,538 companies runsonwhat tracks.

### Does GREENFIBER use Cloudflare?

Yes. runsonwhat found Cloudflare at GREENFIBER through DNS records that point at Cloudflare and code on greenfiber.de. Cloudflare is a CDN & Edge tool used by 702,124 companies runsonwhat tracks.

### How does runsonwhat know what GREENFIBER uses?

runsonwhat reads public records only. Of the 13 tools at GREENFIBER, 7 were found through code on greenfiber.de, 6 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and greenfiber.de about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/greenfiber.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.