# What does Shield T3 use?

Shield T3 (shieldt3.com) shows public evidence of 7 tools, according to runsonwhat (last checked 2026-10-16).

- Industry: Healthcare
- Size: 51–200 employees
- Based in: Champaign, United States
- LinkedIn: https://www.linkedin.com/company/shield-t3-llc

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |
| [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | DNS records, Website code |  |
| [Fly.io](https://www.runsonwhat.com/reverse/fly) | Hosting & Cloud | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Shopify](https://www.runsonwhat.com/reverse/shopify) | Website & CMS | Custom domain |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | Security & Compliance | Email records |  |

## FAQ

### What tools does Shield T3 use?

As of October 2026, runsonwhat has found 7 tools at Shield T3 (shieldt3.com) in public records. Edge & Hosting: Amazon Route 53, Fastly and Fly.io. Go-to-market: Shopify. Company Ops: Microsoft 365, SendGrid and Proofpoint. Last checked October 16, 2026.

### What cloud does Shield T3 run on?

Shield T3 uses Fly.io for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Fly.io through Fly.io code on shieldt3.com. Fly.io is used by 3,730 companies runsonwhat tracks.

### What email provider does Shield T3 use?

Shield T3 uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 700,596 companies runsonwhat tracks.

### What is Shield T3's website built with?

Shield T3 uses Shopify for its website, according to runsonwhat (October 2026). runsonwhat found Shopify through a subdomain that points at Shopify. Shopify is used by 58,720 companies runsonwhat tracks.

### Does Shield T3 use SendGrid?

Yes. runsonwhat found SendGrid at Shield T3 through email records that authorize SendGrid. SendGrid is a Email Delivery tool used by 190,757 companies runsonwhat tracks.

### Which companies have a tech stack similar to Shield T3's?

The companies with the stacks most like Shield T3's are Haven On The River, Hicuity Health, Eden Futures and Encore, according to runsonwhat (October 2026). Each shares 3 to 4 tools with Shield T3, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Shield T3 uses?

runsonwhat reads public records only. Of the 7 tools at Shield T3, 3 were found through email records, 2 through DNS records, 1 through subdomains that point at the vendor and 1 through code on shieldt3.com. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and shieldt3.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/shieldt3.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.