# What does dfinitiv use?

dfinitiv (dfinitiv.io) shows public evidence of 8 tools, according to runsonwhat (last checked 2026-10-17).

- Industry: Financial Services
- Size: 11–50 employees
- Based in: United States
- Founded: 2022
- LinkedIn: https://www.linkedin.com/company/dfinitiv

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |
| [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Squarespace](https://www.runsonwhat.com/reverse/squarespace) | Website & CMS | Custom domain, DNS records, Website code |  |

## 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 |  |
| [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | DNS verification records |  |

## FAQ

### What tools does dfinitiv use?

As of October 2026, runsonwhat has found 8 tools at dfinitiv (dfinitiv.io) in public records. Edge & Hosting: Amazon Route 53. Application: Anthropic and OpenAI. Go-to-market: Squarespace. Company Ops: Microsoft 365, Google Workspace and Slack. Last checked October 17, 2026.

### What email provider does dfinitiv use?

dfinitiv uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 705,105 companies runsonwhat tracks.

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

dfinitiv 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 33,425 companies runsonwhat tracks.

### Does dfinitiv use Amazon Route 53?

Yes. runsonwhat found Amazon Route 53 at dfinitiv through DNS records that point at Amazon Route 53. Amazon Route 53 is a DNS tool used by 83,971 companies runsonwhat tracks.

### Does dfinitiv use AI tools?

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

### How does runsonwhat know what dfinitiv uses?

runsonwhat reads public records only. Of the 8 tools at dfinitiv, 6 were found through DNS records, 1 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 dfinitiv.io about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/dfinitiv.io (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.