# What does PROOF use?

PROOF (proofauthentication.com) shows public evidence of 8 tools, according to runsonwhat (last checked 2026-11-01).

- Industry: Retail
- Size: 11–50 employees
- Based in: Boston, United States
- Founded: 2019
- LinkedIn: https://www.linkedin.com/company/proof-authentication

## Edge & Hosting

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

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records |  |
| [Wix](https://www.runsonwhat.com/reverse/wix) | Website & CMS | Custom domain, Email records, DNS records, Website code |  |
| [POWR](https://www.runsonwhat.com/reverse/powr) | Marketing | Website code |  |

## Company Ops

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

## FAQ

### What tools does PROOF use?

As of November 2026, runsonwhat has found 8 tools at PROOF (proofauthentication.com) in public records. Edge & Hosting: Cloudflare and Fastly. Data & Observability: Sentry. Go-to-market: HubSpot, Wix and POWR. Company Ops: Microsoft 365. Last checked November 1, 2026.

### What CRM does PROOF use?

PROOF uses HubSpot for its CRM, according to runsonwhat (November 2026). runsonwhat found HubSpot through email records that authorize HubSpot. HubSpot is used by 96,503 companies runsonwhat tracks.

### What email provider does PROOF use?

PROOF 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 720,890 companies runsonwhat tracks.

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

PROOF uses Wix for its website, according to runsonwhat (November 2026). runsonwhat found Wix through a subdomain that points at Wix and email records. Wix is used by 52,151 companies runsonwhat tracks.

### What marketing software does PROOF use?

PROOF uses POWR for marketing, according to runsonwhat (November 2026). runsonwhat found POWR through POWR code on proofauthentication.com. POWR is used by 13,239 companies runsonwhat tracks.

### What monitoring tools does PROOF use?

PROOF uses Sentry for monitoring, according to runsonwhat (November 2026). runsonwhat found Sentry through Sentry code on proofauthentication.com. Sentry is used by 80,051 companies runsonwhat tracks.

### Does PROOF use Cloudflare?

Yes. runsonwhat found Cloudflare at PROOF through Cloudflare code on proofauthentication.com. Cloudflare is a CDN & Edge tool used by 725,964 companies runsonwhat tracks.

### How does runsonwhat know what PROOF uses?

runsonwhat reads public records only. Of the 8 tools at PROOF, 4 were found through code on proofauthentication.com, 1 through DNS records, 1 through website configuration files, 1 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 proofauthentication.com about monthly.


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