# What does Opus Watch use?

Opus Watch (opuswatch.nl) shows public evidence of 7 tools, according to runsonwhat (last checked 2026-11-13).

- Industry: IT Services
- Size: 11–50 employees
- Based in: Wateringen, Netherlands
- LinkedIn: https://www.linkedin.com/company/opuswatch

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [GoDaddy](https://www.runsonwhat.com/reverse/godaddy) | DNS | DNS records |  |
| [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | DNS records |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Firebase](https://www.runsonwhat.com/reverse/firebase) | Backend & Database | DNS records, DNS verification records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [MailerSend](https://www.runsonwhat.com/reverse/mailersend) | Email Delivery | Email records |  |

## FAQ

### What tools does Opus Watch use?

As of November 2026, runsonwhat has found 7 tools at Opus Watch (opuswatch.nl) in public records. Edge & Hosting: GoDaddy and Fastly. Application: Firebase. Company Ops: Microsoft 365, Google Workspace and MailerSend. Last checked November 13, 2026.

### What email provider does Opus Watch use?

Opus Watch uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 739,102 companies runsonwhat tracks.

### Does Opus Watch use GoDaddy?

Yes. runsonwhat found GoDaddy at Opus Watch through DNS records that point at GoDaddy. GoDaddy is a DNS tool used by 255,813 companies runsonwhat tracks.

### How does runsonwhat know what Opus Watch uses?

runsonwhat reads public records only. Of the 7 tools at Opus Watch, 5 were found through DNS records, 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and opuswatch.nl about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/opuswatch.nl (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.