# What does Codesealer A/s use?

Codesealer A/s (codesealer.com) shows public evidence of 8 tools, according to runsonwhat (last checked 2026-10-17).

- Industry: Computer & Network Security
- Size: 11–50 employees
- Based in: Copenhagen, Denmark
- Founded: 2018
- LinkedIn: https://www.linkedin.com/company/codesealer

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Plausible](https://www.runsonwhat.com/reverse/plausible) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records |  |
| [Freshdesk](https://www.runsonwhat.com/reverse/freshdesk) | Support & Docs | Custom domain |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records |  |

## FAQ

### What tools does Codesealer use?

As of October 2026, runsonwhat has found 8 tools at Codesealer (codesealer.com) in public records. Edge & Hosting: Cloudflare. Application: Next.js. Data & Observability: Plausible. Go-to-market: WordPress, Zendesk and Freshdesk. Company Ops: Microsoft 365. Last checked October 17, 2026.

### What email provider does Codesealer use?

Codesealer uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 701,710 companies runsonwhat tracks.

### What does Codesealer use for customer support?

Codesealer uses Zendesk for customer support and documentation, alongside Freshdesk, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 40,934 companies runsonwhat tracks.

### What analytics tools does Codesealer use?

Codesealer uses Plausible for analytics, according to runsonwhat (October 2026). runsonwhat found Plausible through Plausible code on codesealer.com. Plausible is used by 6,923 companies runsonwhat tracks.

### What is Codesealer's website built with?

Codesealer uses WordPress for its website, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on codesealer.com. WordPress is used by 582,767 companies runsonwhat tracks.

### Does Codesealer use Cloudflare?

Yes. runsonwhat found Cloudflare at Codesealer through DNS records that point at Cloudflare and code on codesealer.com. Cloudflare is a CDN & Edge tool used by 692,707 companies runsonwhat tracks.

### How does runsonwhat know what Codesealer uses?

runsonwhat reads public records only. Of the 8 tools at Codesealer, 3 were found through code on codesealer.com, 2 through DNS records, 2 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and codesealer.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/codesealer.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.