Opus Watch's tech stack
What does Opus Watch use?
Opus Watch (opuswatch.nl) uses at least 7 tools we can see from public records, including Microsoft 365 for email and documents, Fastly for content delivery and MailerSend for email delivery. Last checked .
- Industry
- IT Services
- Size
- 11–50 employees
- Based in
- Wateringen, Netherlands
- Company page
- Tools found
- 7
- Categories
- 6
- Layers
- 4 of 5
- Last checked
- Oct 2026
Opus Watch's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
2 tools, where the bytes are served from
CDN & Edge
DNS
Application
1 tool, what the product is built with
Backend & Database
Go-to-market
1 tool, how they find and keep customers
Marketing
Company Ops
3 tools, what the team runs on day to day
Email Delivery
Opus Watch tech stack FAQ
What tools does Opus Watch use?
As of October 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 October 29, 2026.
What email provider does Opus Watch use?
Opus Watch uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 715,275 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 250,091 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.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.