# What does Lenstra use?

Lenstra (lenstra.co) shows public evidence of 11 tools, according to runsonwhat (last checked 2026-11-06).

- Industry: Management Consulting
- Size: 11–50 employees
- Based in: Paris, France
- Founded: 2019
- LinkedIn: https://www.linkedin.com/company/lenstra

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [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 |  |
| [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 |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records |  |
| [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | DNS verification records |  |

## FAQ

### What tools does Lenstra use?

As of November 2026, runsonwhat has found 11 tools at Lenstra (lenstra.co) in public records. Edge & Hosting: Cloudflare. Application: Google Fonts and Anthropic. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads. Company Ops: Microsoft 365, Atlassian and Amazon SES. Last checked November 6, 2026.

### What email provider does Lenstra use?

Lenstra uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 734,190 companies runsonwhat tracks.

### What analytics tools does Lenstra use?

Lenstra uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on lenstra.co. Google Analytics is used by 903,931 companies runsonwhat tracks.

### Does Lenstra use Google Fonts?

Yes. runsonwhat found Google Fonts at Lenstra through Google Fonts code on lenstra.co. Google Fonts is a Media & UI tool used by 825,585 companies runsonwhat tracks.

### Does Lenstra use AI tools?

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

### How does runsonwhat know what Lenstra uses?

runsonwhat reads public records only. Of the 11 tools at Lenstra, 6 were found through DNS records, 4 through code on lenstra.co and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and lenstra.co about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/lenstra.co (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.