# What does Cobalt Sign use?

Cobalt Sign (cobaltsign.com) shows public evidence of 12 tools, according to runsonwhat (last checked 2026-11-01).

- Industry: Software
- Size: 11–50 employees
- Based in: Timișoara, Romania
- Founded: 2011
- LinkedIn: https://www.linkedin.com/company/cobalt-sign

## Edge & Hosting

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Brevo](https://www.runsonwhat.com/reverse/brevo) | Marketing | 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 |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | 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 |  |
| [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records |  |
| [JetBrains](https://www.runsonwhat.com/reverse/jetbrains) | Dev Tools | DNS verification records |  |

## FAQ

### What tools does Cobalt Sign use?

As of November 2026, runsonwhat has found 12 tools at Cobalt Sign (cobaltsign.com) in public records. Edge & Hosting: Cloudflare. Go-to-market: Brevo. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked November 1, 2026.

### What email provider does Cobalt Sign use?

Cobalt Sign 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 726,317 companies runsonwhat tracks.

### What marketing software does Cobalt Sign use?

Cobalt Sign uses Brevo for marketing, according to runsonwhat (November 2026). runsonwhat found Brevo through a DNS verification record for Brevo. Brevo is used by 82,475 companies runsonwhat tracks.

### Does Cobalt Sign use Cloudflare?

Yes. runsonwhat found Cloudflare at Cobalt Sign through DNS records that point at Cloudflare and email records. Cloudflare is a CDN & Edge tool used by 728,826 companies runsonwhat tracks.

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

The companies with the stacks most like Cobalt Sign's are Zygos, SITE Technologies, Booku and InnovMetric Software, according to runsonwhat (November 2026). Each shares 4 to 5 tools with Cobalt Sign, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Cobalt Sign uses?

runsonwhat reads public records only. Of the 12 tools at Cobalt Sign, 10 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 cobaltsign.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/cobaltsign.com (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.