# Farsight Security DNSDB vs SecurityZones SURBL BV: side-by-side comparison (2026)

[Farsight Security DNSDB](https://cybersectools.com/tools/farsight-security-dnsdb) is a commercial [threat intel feeds](https://cybersectools.com/categories/threat-intel-feeds) solution by [Farsight Security](https://cybersectools.com/companies/farsight-security). [SecurityZones SURBL BV](https://cybersectools.com/tools/securityzones-surbl-bv) is a commercial [threat intel feeds](https://cybersectools.com/categories/threat-intel-feeds) solution by [SecurityZones](https://cybersectools.com/companies/securityzones). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Farsight Security DNSDB | SecurityZones SURBL BV |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Threat Intel Feeds | Threat Intel Feeds |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Farsight Security | SecurityZones |
| Headquarters | – | – |

### Use cases and capabilities

| | Farsight Security DNSDB | SecurityZones SURBL BV |
|---|---|---|
| Cyber Threat Intelligence | Yes | Yes |
| Investigation | Yes | – |
| Botnet | – | Yes |
| URL Filtering | – | Yes |
| Threat Feed | – | Yes |

### Core features

**Farsight Security DNSDB**

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

**SecurityZones SURBL BV**

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

### Integrations

**Farsight Security DNSDB**

1 integration listed. Sign in on the page to see them.

**SecurityZones SURBL BV**

No integrations listed.

## Farsight Security DNSDB vs SecurityZones SURBL BV FAQ

Common questions when comparing Farsight Security DNSDB vs SecurityZones SURBL BV for threat intel feeds.

### What is the difference between Farsight Security DNSDB and SecurityZones SURBL BV?

**Farsight Security DNSDB**: Passive DNS intelligence platform for threat detection and investigation. Built by Farsight Security.

**SecurityZones SURBL BV**: Domain reputation threat intelligence feeds for malicious domain detection. Built by SecurityZones.

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

### Who makes Farsight Security DNSDB and SecurityZones SURBL BV?

**Farsight Security DNSDB** is made by Farsight Security. **SecurityZones SURBL BV** is made by SecurityZones. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Farsight Security DNSDB a good alternative to SecurityZones SURBL BV?

Often, yes. Farsight Security DNSDB and SecurityZones SURBL BV are both Threat Intel Feeds products, and both cover Cyber Threat Intelligence. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Farsight Security DNSDB vs zvelo PhishBlocklist™](https://cybersectools.com/compare/farsight-security-dnsdb-vs-zvelo-phishblocklisttm)
- [Farsight Security DNSDB vs ZeroFox Threat Intelligence Feeds](https://cybersectools.com/compare/farsight-security-dnsdb-vs-zerofox-threat-intelligence-feeds)
- [Farsight Security DNSDB vs Netcraft Threat Feeds](https://cybersectools.com/compare/farsight-security-dnsdb-vs-netcraft-threat-feeds)
- [SecurityZones SURBL BV vs zvelo PhishBlocklist™](https://cybersectools.com/compare/securityzones-surbl-bv-vs-zvelo-phishblocklisttm)
- [SecurityZones SURBL BV vs ZeroFox Threat Intelligence Feeds](https://cybersectools.com/compare/securityzones-surbl-bv-vs-zerofox-threat-intelligence-feeds)
- [SecurityZones SURBL BV vs Netcraft Threat Feeds](https://cybersectools.com/compare/netcraft-threat-feeds-vs-securityzones-surbl-bv)

## Alternatives to each

- [See all Farsight Security DNSDB alternatives](https://cybersectools.com/alternatives/farsight-security-dnsdb)
- [See all SecurityZones SURBL BV alternatives](https://cybersectools.com/alternatives/securityzones-surbl-bv)

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Source: https://cybersectools.com/compare/farsight-security-dnsdb-vs-securityzones-surbl-bv

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