# What does ProBuild use?

ProBuild (probuild.com) shows public evidence of 7 tools, according to runsonwhat (last checked 2026-10-30).

- Founded: 1997

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [CSC](https://www.runsonwhat.com/reverse/csc-domains) | DNS | DNS records |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records |  |
| [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records |  |
| [Box](https://www.runsonwhat.com/reverse/box) | Collaboration | DNS verification records |  |

## Recent changes at ProBuild

- 2026-10-09: started using [CSC](https://www.runsonwhat.com/reverse/csc-domains)

## FAQ

### What tools does ProBuild use?

As of November 2026, runsonwhat has found 7 tools at ProBuild (probuild.com) in public records. Edge & Hosting: CSC. Go-to-market: Mailchimp. Company Ops: Microsoft 365, Apple Business and Mimecast. Last checked October 30, 2026.

### What email provider does ProBuild use?

ProBuild uses Microsoft 365 for email and office software, alongside Apple Business, 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 716,236 companies runsonwhat tracks.

### What marketing software does ProBuild use?

ProBuild uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 117,412 companies runsonwhat tracks.

### Does ProBuild use Mimecast?

Yes. runsonwhat found Mimecast at ProBuild through email records that authorize Mimecast. Mimecast is a Security & Compliance tool used by 29,534 companies runsonwhat tracks.

### Has ProBuild changed tools recently?

Yes. On runsonwhat's rechecks, ProBuild started using CSC (latest on October 9, 2026). A change counts only between two checks of probuild.com done the same way.

### How does runsonwhat know what ProBuild uses?

runsonwhat reads public records only. Of the 7 tools at ProBuild, 5 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 probuild.com about monthly.


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