# What does Rebuilders GmbH use?

Rebuilders GmbH (rebuilders.de) shows public evidence of 8 tools, according to runsonwhat (last checked 2026-11-04).

- Industry: Energy
- Based in: Germany
- LinkedIn: https://www.linkedin.com/company/rebuildersgmbh

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |

## Data & Observability

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain, Website code |  |
| [Elfsight](https://www.runsonwhat.com/reverse/elfsight) | Marketing | Website code |  |
| [LinkedIn](https://www.runsonwhat.com/reverse/linkedin) | Marketing | DNS verification records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records |  |

## FAQ

### What tools does Rebuilders use?

As of November 2026, runsonwhat has found 8 tools at Rebuilders (rebuilders.de) in public records. Edge & Hosting: Cloudflare and IONOS. Application: Anthropic. Data & Observability: Google Analytics. Go-to-market: HubSpot CMS, Elfsight and LinkedIn. Company Ops: Microsoft 365. Last checked November 4, 2026.

### What cloud does Rebuilders run on?

Rebuilders uses IONOS for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found IONOS through email records that authorize IONOS. IONOS is used by 23,411 companies runsonwhat tracks.

### What email provider does Rebuilders use?

Rebuilders uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 727,798 companies runsonwhat tracks.

### What analytics tools does Rebuilders use?

Rebuilders uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on rebuilders.de. Google Analytics is used by 905,308 companies runsonwhat tracks.

### What is Rebuilders's website built with?

Rebuilders uses HubSpot CMS for its website, according to runsonwhat (November 2026). runsonwhat found HubSpot CMS through a subdomain that points at HubSpot CMS and code on rebuilders.de. HubSpot CMS is used by 34,198 companies runsonwhat tracks.

### What marketing software does Rebuilders use?

Rebuilders uses Elfsight for marketing, alongside LinkedIn, according to runsonwhat (November 2026). runsonwhat found Elfsight through Elfsight code on rebuilders.de. Elfsight is used by 15,461 companies runsonwhat tracks.

### Does Rebuilders use Cloudflare?

Yes. runsonwhat found Cloudflare at Rebuilders through Cloudflare code on rebuilders.de. Cloudflare is a CDN & Edge tool used by 729,661 companies runsonwhat tracks.

### Does Rebuilders use AI tools?

Yes. runsonwhat has found Anthropic at Rebuilders; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Rebuilders may use more AI tools than these.

### How does runsonwhat know what Rebuilders uses?

runsonwhat reads public records only. Of the 8 tools at Rebuilders, 3 were found through code on rebuilders.de, 2 through email records, 2 through DNS records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and rebuilders.de about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/rebuilders.de (updated November 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.