# What does MasterDC use?

MasterDC (master.cz) shows public evidence of 19 tools, according to runsonwhat (last checked 2026-11-11).

- Industry: Telecommunications
- Size: 51–200 employees
- Based in: Sadová, Czechia
- Founded: 1998
- LinkedIn: https://www.linkedin.com/company/masterdc

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code |  |
| [Vue.js](https://www.runsonwhat.com/reverse/vue) | 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 |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code |  |
| [Elementor](https://www.runsonwhat.com/reverse/elementor) | Website & CMS | Website code |  |
| [Brevo](https://www.runsonwhat.com/reverse/brevo) | Marketing | DNS verification records |  |
| [Ahrefs](https://www.runsonwhat.com/reverse/ahrefs) | Marketing | DNS verification records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |
| [Cloudflare Turnstile](https://www.runsonwhat.com/reverse/turnstile) | Security & Compliance | Website code |  |

## FAQ

### What tools does MasterDC use?

As of November 2026, runsonwhat has found 19 tools at MasterDC (master.cz) in public records. Edge & Hosting: Cloudflare. Application: jQuery, YouTube and GSAP. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: WordPress, Google Ads and Yoast SEO. Company Ops: Microsoft 365, Let's Encrypt and DigiCert. Last checked November 11, 2026.

### What email provider does MasterDC use?

MasterDC 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 737,885 companies runsonwhat tracks.

### What analytics tools does MasterDC use?

MasterDC uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on master.cz. Google Analytics is used by 904,465 companies runsonwhat tracks.

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

MasterDC uses WordPress for its website, alongside Yoast SEO and Elementor, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on master.cz. WordPress is used by 607,096 companies runsonwhat tracks.

### What marketing software does MasterDC use?

MasterDC uses Brevo for marketing, alongside Ahrefs, according to runsonwhat (November 2026). runsonwhat found Brevo through a DNS verification record for Brevo. Brevo is used by 84,738 companies runsonwhat tracks.

### Does MasterDC use jQuery?

Yes. runsonwhat found jQuery at MasterDC through jQuery code on master.cz. jQuery is a Frontend tool used by 927,393 companies runsonwhat tracks.

### How does runsonwhat know what MasterDC uses?

runsonwhat reads public records only. Of the 19 tools at MasterDC, 12 were found through code on master.cz, 5 through DNS records, 1 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and master.cz about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/master.cz (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.