# What does Joyn use?

Joyn (sat1.de) shows public evidence of 20 tools, according to runsonwhat (last checked 2026-11-07).

- Industry: Broadcast Media
- Size: 51–200 employees
- Based in: München, Germany
- LinkedIn: https://www.linkedin.com/company/1730-sat1bayern

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Custom domain |  |
| [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | DNS records |  |
| [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain |  |
| [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code |  |
| [Firebase](https://www.runsonwhat.com/reverse/firebase) | Backend & Database | DNS records |  |
| [Extensis](https://www.runsonwhat.com/reverse/extensis) | Media & UI | DNS verification records |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code |  |
| [Datadog](https://www.runsonwhat.com/reverse/datadog) | Monitoring | Website code |  |
| [LaunchDarkly](https://www.runsonwhat.com/reverse/launchdarkly) | Flags & Experiments | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ad Manager](https://www.runsonwhat.com/reverse/google-ad-manager) | Ads & Pixels | Website config |  |
| [PubMatic](https://www.runsonwhat.com/reverse/pubmatic) | Ads & Pixels | Website config |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records |  |
| [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records |  |
| [Valimail](https://www.runsonwhat.com/reverse/valimail) | Security & Compliance | Email records |  |
| [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records |  |
| [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records |  |
| [SparkPost](https://www.runsonwhat.com/reverse/sparkpost) | Email Delivery | Custom domain |  |
| [QuoVadis](https://www.runsonwhat.com/reverse/quovadis) | Security & Compliance | DNS verification records |  |

## FAQ

### What tools does Joyn use?

As of November 2026, runsonwhat has found 20 tools at Joyn (sat1.de) in public records. Edge & Hosting: Amazon Web Services, Fastly and Amazon CloudFront. Application: Next.js, Firebase and Extensis. Data & Observability: Hotjar, Datadog and LaunchDarkly. Go-to-market: Google Ad Manager and PubMatic. Company Ops: Microsoft 365, Amazon SES and Valimail. Last checked November 7, 2026.

### What cloud does Joyn run on?

Joyn uses Amazon Web Services for hosting and cloud infrastructure, alongside Vercel, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services. Amazon Web Services is used by 147,248 companies runsonwhat tracks.

### What email provider does Joyn use?

Joyn uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 729,321 companies runsonwhat tracks.

### What analytics tools does Joyn use?

Joyn uses Hotjar for analytics, according to runsonwhat (November 2026). runsonwhat found Hotjar through Hotjar code on sat1.de. Hotjar is used by 68,451 companies runsonwhat tracks.

### What monitoring tools does Joyn use?

Joyn uses Datadog for monitoring, according to runsonwhat (November 2026). runsonwhat found Datadog through Datadog code on sat1.de. Datadog is used by 11,751 companies runsonwhat tracks.

### Does Joyn use Next.js?

Yes. runsonwhat found Next.js at Joyn through Next.js code on sat1.de. Next.js is a Frontend tool used by 69,682 companies runsonwhat tracks.

### Which companies have a tech stack similar to Joyn's?

The companies with the stacks most like Joyn's are OmnicomGroup, Sek, Schafer Condon Carter and The Chartered Society of Physiotherapy, according to runsonwhat (November 2026). Each shares 2 to 7 tools with Joyn, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Joyn uses?

runsonwhat reads public records only. Of the 20 tools at Joyn, 7 were found through DNS records, 5 through code on sat1.de, 3 through email records, 3 through subdomains that point at the vendor and 2 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and sat1.de about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/sat1.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.