# What does Catcert use?

Catcert (catcert.cat) shows public evidence of 7 tools, according to runsonwhat (last checked 2026-11-01).

- Industry: IT Services
- Size: 11–50 employees
- Based in: Barcelona, Spain
- Founded: 2002
- LinkedIn: https://www.linkedin.com/company/catcert

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |
| [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records |  |
| [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS records |  |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |
| [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records |  |

## FAQ

### What tools does Catcert use?

As of November 2026, runsonwhat has found 7 tools at Catcert (catcert.cat) in public records. Edge & Hosting: Amazon Route 53 and Amazon CloudFront. Company Ops: Microsoft 365, GlobalSign and Sectigo. Last checked November 1, 2026.

### What email provider does Catcert use?

Catcert 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 727,757 companies runsonwhat tracks.

### Does Catcert use Amazon Route 53?

Yes. runsonwhat found Amazon Route 53 at Catcert through DNS records that point at Amazon Route 53. Amazon Route 53 is a DNS tool used by 88,154 companies runsonwhat tracks.

### How does runsonwhat know what Catcert uses?

runsonwhat reads public records only. Of the 7 tools at Catcert, 6 were found through DNS records, 1 through code on catcert.cat. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and catcert.cat about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/catcert.cat (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.