# What does Guestware use?

Guestware (guestware.com) shows public evidence of 7 tools, according to runsonwhat (last checked 2026-11-01).

- Industry: Software
- Size: 11–50 employees
- Based in: Kirkland, United States
- Founded: 1989
- LinkedIn: https://www.linkedin.com/company/diversified-computer-corporation

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [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 |
|---|---|---|---|
| [Wix](https://www.runsonwhat.com/reverse/wix) | Website & CMS | Custom domain, Website code |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain, Email records |  |

## Company Ops

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

## Recent changes at Guestware

- 2026-10-20: started using [Fastly](https://www.runsonwhat.com/reverse/fastly)
- 2026-10-20: started using [llms.txt](https://www.runsonwhat.com/reverse/llms-txt)
- 2026-10-20: started using [Sentry](https://www.runsonwhat.com/reverse/sentry)

## FAQ

### What tools does Guestware use?

As of November 2026, runsonwhat has found 7 tools at Guestware (guestware.com) in public records. Edge & Hosting: Fastly. Data & Observability: Sentry. Go-to-market: Wix and Zendesk. Company Ops: Microsoft 365. Last checked November 1, 2026.

### What email provider does Guestware use?

Guestware 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 720,735 companies runsonwhat tracks.

### What does Guestware use for customer support?

Guestware uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records. Zendesk is used by 42,974 companies runsonwhat tracks.

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

Guestware uses Wix for its website, according to runsonwhat (November 2026). runsonwhat found Wix through a subdomain that points at Wix and code on guestware.com. Wix is used by 52,153 companies runsonwhat tracks.

### What monitoring tools does Guestware use?

Guestware uses Sentry for monitoring, according to runsonwhat (November 2026). runsonwhat found Sentry through Sentry code on guestware.com. Sentry is used by 80,059 companies runsonwhat tracks.

### Does Guestware use Fastly?

Yes. runsonwhat found Fastly at Guestware through Fastly code on guestware.com. Fastly is a CDN & Edge tool used by 61,030 companies runsonwhat tracks.

### Has Guestware changed tools recently?

Yes. On runsonwhat's rechecks, Guestware started using Fastly, llms.txt and Sentry (latest on October 20, 2026). A change counts only between two checks of guestware.com done the same way.

### How does runsonwhat know what Guestware uses?

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


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