# What does Zenner International use?

Zenner International (zenner.com) shows public evidence of 12 tools, according to runsonwhat (last checked 2026-10-09).

- Size: 1,001–5,000 employees
- Based in: Germany
- Founded: 1903
- LinkedIn: https://www.linkedin.com/company/zennernews

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [Vue.js](https://www.runsonwhat.com/reverse/vue) | Frontend | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records, Website code |  |
| [Sophos](https://www.runsonwhat.com/reverse/sophos) | Security & Compliance | Email records |  |
| [Airtable](https://www.runsonwhat.com/reverse/airtable) | Collaboration | DNS verification records |  |

## Recent changes at Zenner International

- 2026-10-09: started using [Sophos](https://www.runsonwhat.com/reverse/sophos)

## FAQ

### What tools does Zenner International use?

As of October 2026, runsonwhat has found 12 tools at Zenner International (zenner.com) in public records. Application: jQuery, Google Fonts and YouTube. Go-to-market: WordPress and Yoast SEO. Company Ops: Microsoft 365, SendGrid and Mailgun. Last checked October 9, 2026.

### What email provider does Zenner International use?

Zenner International uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 701,686 companies runsonwhat tracks.

### What is Zenner International's website built with?

Zenner International uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on zenner.com. WordPress is used by 582,111 companies runsonwhat tracks.

### Does Zenner International use jQuery?

Yes. runsonwhat found jQuery at Zenner International through jQuery code on zenner.com. jQuery is a Frontend tool used by 896,993 companies runsonwhat tracks.

### Has Zenner International changed tools recently?

Yes. On runsonwhat's rechecks, Zenner International started using Sophos (latest on October 9, 2026). A change counts only between two checks of zenner.com done the same way.

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

The companies with the stacks most like Zenner International's are Scentsy, Pens.com, Applovin and Infobip, according to runsonwhat (October 2026). Each shares 3 to 6 tools with Zenner International, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Zenner International uses?

runsonwhat reads public records only. Of the 12 tools at Zenner International, 7 were found through code on zenner.com, 3 through email records and 2 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and zenner.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/zenner.com (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.