# DNS Assistant vs Siemba EASM: side-by-side comparison (2026)

[DNS Assistant](https://cybersectools.com/tools/dns-assistant) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [DNS Assistant](https://cybersectools.com/companies/dns-assistant). [Siemba EASM](https://cybersectools.com/tools/siemba-easm) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Siemba](https://cybersectools.com/companies/siemba). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions) picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more.

## Side-by-side comparison

| | DNS Assistant | Siemba EASM |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | External Attack Surface Management | External Attack Surface Management |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | DNS Assistant | Siemba |
| Headquarters | – | – |

### Use cases and capabilities

| | DNS Assistant | Siemba EASM |
|---|---|---|
| DNS Security | Yes | – |
| Alerting | Yes | – |
| RBAC | Yes | – |
| Multi Tenancy | Yes | – |
| REST API | Yes | – |
| MFA | Yes | – |
| Configuration Management | Yes | – |
| Misconfiguration | Yes | Yes |
| TLS | – | Yes |

### Core features

**DNS Assistant**

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

**Siemba EASM**

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

### Integrations

**DNS Assistant**

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

**Siemba EASM**

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

## DNS Assistant vs Siemba EASM FAQ

Common questions when comparing DNS Assistant vs Siemba EASM for external attack surface management.

### What is the difference between DNS Assistant and Siemba EASM?

**DNS Assistant**: DNS posture mgmt platform for real-time DNS & WHOIS change monitoring. Built by DNS Assistant.

**Siemba EASM**: AI-driven EASM platform for discovering and monitoring external-facing assets. Built by Siemba.

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

### Who makes DNS Assistant and Siemba EASM?

**DNS Assistant** is made by DNS Assistant founded in 2025-01-01T00:00:00.000Z. **Siemba EASM** is made by Siemba. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is DNS Assistant a good alternative to Siemba EASM?

Often, yes. DNS Assistant and Siemba EASM are both External Attack Surface Management products, and both cover Misconfiguration. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [DNS Assistant vs Guardz External Footprint](https://cybersectools.com/compare/dns-assistant-vs-guardz-external-footprint)
- [DNS Assistant vs Cyber Exposure Manager](https://cybersectools.com/compare/dns-assistant-vs-galileo-security)
- [DNS Assistant vs SurfaceDiff](https://cybersectools.com/compare/dns-assistant-vs-surfacediff)
- [Siemba EASM vs Guardz External Footprint](https://cybersectools.com/compare/guardz-external-footprint-vs-siemba-easm)
- [Siemba EASM vs Cyber Exposure Manager](https://cybersectools.com/compare/galileo-security-vs-siemba-easm)
- [Siemba EASM vs SurfaceDiff](https://cybersectools.com/compare/siemba-easm-vs-surfacediff)

## Alternatives to each

- [See all DNS Assistant alternatives](https://cybersectools.com/alternatives/dns-assistant)
- [See all Siemba EASM alternatives](https://cybersectools.com/alternatives/siemba-easm)

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Source: https://cybersectools.com/compare/dns-assistant-vs-siemba-easm

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

More on DNS Assistant and Siemba EASM: 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