# DomainTools Domain Tools vs Opsis OSINT: side-by-side comparison (2026)

[DomainTools Domain Tools](https://cybersectools.com/tools/domaintools-domain-tools) is a commercial [threat intel platforms](https://cybersectools.com/categories/tip) solution by [DomainTools](https://cybersectools.com/companies/domaintools). [Opsis OSINT](https://cybersectools.com/tools/opsis-osint) is a commercial [threat intel platforms](https://cybersectools.com/categories/tip) solution by [Opsis](https://cybersectools.com/companies/opsis). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Threat Intelligence Platform Solutions for Business](https://cybersectools.com/shortlists/best-threat-intelligence-platforms) picks Recorded Future Threat Intelligence, Google Threat Intelligence, CrowdStrike Falcon Adversary Intelligence and 4 more.

## Side-by-side comparison

| | DomainTools Domain Tools | Opsis OSINT |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Threat Intel Platforms | Threat Intel Platforms |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | DomainTools | Opsis |
| Headquarters | – | – |

### Use cases and capabilities

| | DomainTools Domain Tools | Opsis OSINT |
|---|---|---|
| Investigation | Yes | Yes |
| OSINT | – | Yes |
| Reconnaissance | – | Yes |
| Search | – | Yes |
| Social Media | – | Yes |
| Enumeration | – | Yes |
| Fingerprinting | – | Yes |
| GDPR | – | Yes |
| REST API | – | Yes |
| Cyber Threat Intelligence | – | Yes |

### Core features

**DomainTools Domain Tools**

No features listed.

**Opsis OSINT**

10 features listed. Sign in on the page to see them.

### Integrations

**DomainTools Domain Tools**

25 integrations listed. Sign in on the page to see them.

**Opsis OSINT**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Opsis OSINT](https://cybersectools.com/tools/opsis-osint) fits if you are a startup.

## DomainTools Domain Tools vs Opsis OSINT FAQ

Common questions when comparing DomainTools Domain Tools vs Opsis OSINT for threat intel platforms.

### What is the difference between DomainTools Domain Tools and Opsis OSINT?

**DomainTools Domain Tools**: Domain monitoring and intelligence platform for threat investigation. Built by DomainTools.

**Opsis OSINT**: OSINT search: find the accounts behind an email, username or domain across 1,000+ sites. Built by Opsis.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes DomainTools Domain Tools and Opsis OSINT?

**DomainTools Domain Tools** is made by DomainTools. **Opsis OSINT** is made by Opsis. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is DomainTools Domain Tools a good alternative to Opsis OSINT?

Often, yes. DomainTools Domain Tools and Opsis OSINT are both Threat Intel Platforms products, and both cover Investigation. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [DomainTools Domain Tools vs koat Platform](https://cybersectools.com/compare/domaintools-domain-tools-vs-koat-platform)
- [DomainTools Domain Tools vs SecurityTrails API](https://cybersectools.com/compare/domaintools-domain-tools-vs-securitytrails)
- [DomainTools Domain Tools vs Maltego Professional Lite](https://cybersectools.com/compare/domaintools-domain-tools-vs-maltego-professional-lite)
- [Opsis OSINT vs koat Platform](https://cybersectools.com/compare/koat-platform-vs-opsis-osint)
- [Opsis OSINT vs SecurityTrails API](https://cybersectools.com/compare/opsis-osint-vs-securitytrails)
- [Opsis OSINT vs Maltego Professional Lite](https://cybersectools.com/compare/maltego-professional-lite-vs-opsis-osint)

## Alternatives to each

- [See all DomainTools Domain Tools alternatives](https://cybersectools.com/alternatives/domaintools-domain-tools)
- [See all Opsis OSINT alternatives](https://cybersectools.com/alternatives/opsis-osint)

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Source: https://cybersectools.com/compare/domaintools-domain-tools-vs-opsis-osint

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/domaintools-domain-tools.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on DomainTools Domain Tools and Opsis OSINT: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md