# What does Max Kelsen use?

Max Kelsen (maxkelsen.com) shows public evidence of 10 tools, according to runsonwhat (last checked 2026-10-18).

- Industry: IT Services
- Size: 11–50 employees
- Based in: Brisbane, Australia
- Founded: 2015
- LinkedIn: https://www.linkedin.com/company/maxkelsen

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | Security & Compliance | Email records |  |
| [GitHub](https://www.runsonwhat.com/reverse/github) | Dev Tools | DNS verification records |  |
| [Mosyle](https://www.runsonwhat.com/reverse/mosyle) | Security & Compliance | DNS verification records |  |

## FAQ

### What tools does Max Kelsen use?

As of October 2026, runsonwhat has found 10 tools at Max Kelsen (maxkelsen.com) in public records. Edge & Hosting: Amazon Route 53. Go-to-market: Zendesk. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 18, 2026.

### What email provider does Max Kelsen use?

Max Kelsen uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 709,032 companies runsonwhat tracks.

### What does Max Kelsen use for customer support?

Max Kelsen uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 41,612 companies runsonwhat tracks.

### Does Max Kelsen use SendGrid?

Yes. runsonwhat found SendGrid at Max Kelsen through email records that authorize SendGrid. SendGrid is a Email Delivery tool used by 192,914 companies runsonwhat tracks.

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

The companies with the stacks most like Max Kelsen's are Stabilise, RHpro, Danubio IT Services d.o.o. and Bluum, according to runsonwhat (October 2026). Each shares 4 to 6 tools with Max Kelsen, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Max Kelsen uses?

runsonwhat reads public records only. Of the 10 tools at Max Kelsen, 6 were found through DNS records, 4 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and maxkelsen.com about monthly.


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