# What does PlumpJack use?

PlumpJack (plumpjack.com) shows public evidence of 17 tools, according to runsonwhat (last checked 2026-10-11).

- Based in: United States
- LinkedIn: https://www.linkedin.com/company/the-plumpjack-group

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [NS1](https://www.runsonwhat.com/reverse/ns1) | DNS | DNS records |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | Media & UI | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |
| [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records |  |

## Data & Observability

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Klaviyo](https://www.runsonwhat.com/reverse/klaviyo) | Marketing | DNS verification records, Website code |  |
| [Squarespace](https://www.runsonwhat.com/reverse/squarespace) | Website & CMS | Custom domain, DNS records, Website code |  |
| [Emma](https://www.runsonwhat.com/reverse/emma-email) | Marketing | DNS verification records, Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records, DNS verification records |  |
| [Duo](https://www.runsonwhat.com/reverse/duo) | Security & Compliance | DNS verification records |  |
| [AppRiver](https://www.runsonwhat.com/reverse/appriver) | Security & Compliance | Email records |  |
| [GoTo](https://www.runsonwhat.com/reverse/goto) | Collaboration | DNS verification records |  |

## FAQ

### What tools does PlumpJack use?

As of October 2026, runsonwhat has found 17 tools at PlumpJack (plumpjack.com) in public records. Edge & Hosting: NS1. Application: Google Fonts, Adobe Fonts and Anthropic. Data & Observability: Sentry. Go-to-market: Klaviyo, Squarespace and Emma. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 11, 2026.

### What email provider does PlumpJack use?

PlumpJack uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 701,712 companies runsonwhat tracks.

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

PlumpJack uses Squarespace for its website, according to runsonwhat (October 2026). runsonwhat found Squarespace through a subdomain that points at Squarespace and DNS records. Squarespace is used by 33,307 companies runsonwhat tracks.

### What marketing software does PlumpJack use?

PlumpJack uses Klaviyo for marketing, alongside Emma, according to runsonwhat (October 2026). runsonwhat found Klaviyo through a DNS verification record for Klaviyo and code on plumpjack.com. Klaviyo is used by 34,578 companies runsonwhat tracks.

### What monitoring tools does PlumpJack use?

PlumpJack uses Sentry for monitoring, according to runsonwhat (October 2026). runsonwhat found Sentry through Sentry code on plumpjack.com. Sentry is used by 76,985 companies runsonwhat tracks.

### Does PlumpJack use Google Fonts?

Yes. runsonwhat found Google Fonts at PlumpJack through Google Fonts code on plumpjack.com. Google Fonts is a Media & UI tool used by 791,167 companies runsonwhat tracks.

### Does PlumpJack use AI tools?

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

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

The companies with the stacks most like PlumpJack's are Urgent Team, CHKD, Cohn Lifland Pearlman Herrmann & Knopf LLP and Credit Union Mortgage Assoc., according to runsonwhat (October 2026). Each shares 5 to 7 tools with PlumpJack, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what PlumpJack uses?

runsonwhat reads public records only. Of the 17 tools at PlumpJack, 9 were found through DNS records, 4 through email records, 3 through code on plumpjack.com 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 plumpjack.com about monthly.


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