# What does PenguinRandomhouse.com use?

PenguinRandomhouse.com (prh.com) shows public evidence of 20 tools, according to runsonwhat (last checked 2026-10-20).

- LinkedIn: https://www.linkedin.com/company/penguin-random-house-publishing

## 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 |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Google Maps](https://www.runsonwhat.com/reverse/google-maps) | Media & UI | Website code |  |
| [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Tealium](https://www.runsonwhat.com/reverse/tealium) | Data Pipeline | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [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 |  |
| [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Valimail](https://www.runsonwhat.com/reverse/valimail) | Security & Compliance | Email records |  |
| [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records |  |
| [Webex](https://www.runsonwhat.com/reverse/webex) | Collaboration | DNS verification records |  |
| [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records |  |
| [Box](https://www.runsonwhat.com/reverse/box) | Collaboration | DNS verification records |  |
| [Airtable](https://www.runsonwhat.com/reverse/airtable) | Collaboration | DNS verification records |  |
| [monday.com](https://www.runsonwhat.com/reverse/monday) | Collaboration | DNS verification records |  |
| [TIBCO Mashery](https://www.runsonwhat.com/reverse/mashery) | Dev Tools | Custom domain |  |

## FAQ

### What tools does PenguinRandomhouse.com use?

As of October 2026, runsonwhat has found 20 tools at PenguinRandomhouse.com (prh.com) in public records. Edge & Hosting: Amazon Route 53 and Amazon CloudFront. Application: jQuery, Google Maps and OpenAI. Data & Observability: Tealium. Go-to-market: WordPress and Mailchimp. Company Ops: Microsoft 365, reCAPTCHA and Apple Business. Last checked October 20, 2026.

### What email provider does PenguinRandomhouse.com use?

PenguinRandomhouse.com uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 716,550 companies runsonwhat tracks.

### What is PenguinRandomhouse.com's website built with?

PenguinRandomhouse.com uses WordPress for its website, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on prh.com. WordPress is used by 601,919 companies runsonwhat tracks.

### What marketing software does PenguinRandomhouse.com use?

PenguinRandomhouse.com uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 116,731 companies runsonwhat tracks.

### Does PenguinRandomhouse.com use jQuery?

Yes. runsonwhat found jQuery at PenguinRandomhouse.com through jQuery code on prh.com. jQuery is a Frontend tool used by 922,806 companies runsonwhat tracks.

### Does PenguinRandomhouse.com use AI tools?

Yes. runsonwhat has found OpenAI at PenguinRandomhouse.com; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so PenguinRandomhouse.com may use more AI tools than these.

### Which companies have a tech stack similar to PenguinRandomhouse.com's?

The companies with the stacks most like PenguinRandomhouse.com's are PenguinRandomhouse.com, Sleep Inn, News.com.au and Smart & Final, according to runsonwhat (October 2026). Each shares 6 to 16 tools with PenguinRandomhouse.com, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what PenguinRandomhouse.com uses?

runsonwhat reads public records only. Of the 20 tools at PenguinRandomhouse.com, 10 were found through DNS records, 6 through code on prh.com, 3 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 prh.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/prh.com (updated October 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.