# What does Rackspace use?

Rackspace (rackspacecloud.com) shows public evidence of 7 tools, according to runsonwhat (last checked 2026-10-28).

- LinkedIn: https://www.linkedin.com/company/rackspace-technology

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Custom domain |  |
| [GitHub Pages](https://www.runsonwhat.com/reverse/github-pages) | Hosting & Cloud | Custom domain |  |

## Application

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

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records |  |
| [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code |  |
| [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | Security & Compliance | Email records |  |
| [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records |  |

## FAQ

### What tools does Rackspace use?

As of November 2026, runsonwhat has found 7 tools at Rackspace (rackspacecloud.com) in public records. Edge & Hosting: Cloudflare and GitHub Pages. Application: Next.js. Company Ops: Microsoft 365, reCAPTCHA and Proofpoint. Last checked October 28, 2026.

### What cloud does Rackspace run on?

Rackspace uses GitHub Pages for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found GitHub Pages through a subdomain that points at GitHub Pages. GitHub Pages is used by 4,310 companies runsonwhat tracks.

### What email provider does Rackspace use?

Rackspace 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 719,244 companies runsonwhat tracks.

### Does Rackspace use Cloudflare?

Yes. runsonwhat found Cloudflare at Rackspace through a subdomain that points at Cloudflare. Cloudflare is a CDN & Edge tool used by 724,046 companies runsonwhat tracks.

### How does runsonwhat know what Rackspace uses?

runsonwhat reads public records only. Of the 7 tools at Rackspace, 2 were found through subdomains that point at the vendor, 2 through code on rackspacecloud.com, 2 through email records and 1 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and rackspacecloud.com about monthly.


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