# What does Opaque use?

Opaque (opaque.net) shows public evidence of 2 tools, according to runsonwhat (last checked 2026-11-07).

## Edge & Hosting

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

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Purelymail](https://www.runsonwhat.com/reverse/purelymail) | Workspace | Email records |  |

## FAQ

### What tools does Opaque use?

As of November 2026, runsonwhat has found 2 tools at Opaque (opaque.net) in public records. Edge & Hosting: Cloudflare. Company Ops: Purelymail. Last checked November 7, 2026.

### What email provider does Opaque use?

Opaque uses Purelymail for email and office software, according to runsonwhat (November 2026). runsonwhat found Purelymail through email records that authorize Purelymail. Purelymail is used by 270 companies runsonwhat tracks.

### Does Opaque use Cloudflare?

Yes. runsonwhat found Cloudflare at Opaque through DNS records that point at Cloudflare and code on opaque.net. Cloudflare is a CDN & Edge tool used by 735,698 companies runsonwhat tracks.

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

The companies with the stacks most like Opaque's are Abacus Insurance, PSPeptides, YesRemoteJobs and Victory Road, according to runsonwhat (November 2026). Each shares 1 to 2 tools with Opaque, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Opaque uses?

runsonwhat reads public records only. Of the 2 tools at Opaque, 1 was found through DNS records, 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and opaque.net about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/opaque.net (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.