FortiGuard DNS Filtering Service
FortiGuard DNS Filtering Service: A Fortinet-focused DNS security service for network-wide threat filtering and visibility. Ranked #16 of 51 in DNS Filtering Services by our editors (7.9/10); pricing: Pricing on request; best for network teams needing threat-focused DNS security.
At a glance
- Editor score7.9 / 10
- PricingPricing on request
- Best forNetwork teams needing threat-focused DNS security
- Founded2000 · Sunnyvale, California, USA
- Facts checked21 Sep 2026
Where it wins
- Blocks botnet, spoofing, hijacking, tunneling, and DGA threats
- Supports DNSSEC plus DNS over TLS and DNS over HTTPS inspection
- Integrates with FortiGate, FortiProxy, FortiDDoS, and FortiXDR
Where it doesn't
- Requires an existing FortiGate or Fortinet Security Fabric deployment
- Designed for network deployments rather than standalone endpoint use
- Fortinet ecosystem integration is central to its deployment model
Our verdict on FortiGuard DNS Filtering Service
FortiGuard DNS Filtering Service monitors DNS traffic and blocks high-risk or malicious domains for organizations using Fortinet Security Fabric products. It applies FortiGuard domain ratings, covers 92 domain categories, and provides DNS query logging for visibility. Network teams can use it to address malicious domains, botnet command-and-control activity, DNS spoofing, hijacking, tunneling, dynamic DNS abuse, and DNS flood threats. The service is designed for network-level protection rather than a standalone consumer filtering experience.
Commercially, FortiGuard DNS Filtering Service is available as an a-la-carte subscription or through selected FortiGuard bundles. Ordering requires an existing FortiGate or Fortinet Security Fabric deployment, making the product most suitable for organizations already operating Fortinet network security infrastructure. Its platform fit extends across FortiGate, FortiProxy, FortiDDoS, FortiXDR, FortiTrust, Secure SD-WAN, SASE, and FortiADC. That ecosystem alignment can simplify policy placement and security operations when Fortinet products already form the network stack.
The standout capability is its combination of domain-category policy control and DNS threat detection. DNSSEC validation, encrypted-DNS inspection through DNS over TLS and DNS over HTTPS, and detection for tunneling and domain-generation-algorithm threats give administrators more than basic domain blocking. DNS flood protection and query logs add operational visibility around DNS activity. Choose FortiGuard when network-wide DNS controls and Fortinet integration are priorities. Organizations seeking a provider-independent service, a standalone deployment, or a consumer-oriented filtering product should consider alternatives built for those requirements.
FortiGuard DNS Filtering Service pricing
FortiGuard DNS Filtering Service fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Not verified |
| Malware blocking | Not verified |
| Ad blocking | Not verified |
| Adult content filtering | Not verified |
| Per-device policies | Not verified |
| Activity logs | Not verified |
| Analytics dashboard | Not verified |
| Custom blocklists | Not verified |
| Deployment | Cloud, Self-hosted |
| Support | Email, Community |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 8 integrations: FortiGate, FortiProxy, FortiDDoS, FortiXDR, FortiTrust, Secure SD-WAN … |
| Pricing | Pricing on request |
| Website | fortinet.com |
| Facts checked | 21 Sep 2026 |
FortiGuard DNS Filtering Service integrations
FortiGuard DNS Filtering Service lists 8 integrations on its own site.
- FortiGate
- FortiProxy
- FortiDDoS
- FortiXDR
- FortiTrust
- Secure SD-WAN
- SASE
- FortiADC
Alternatives to FortiGuard DNS Filtering Service
- AdGuard DNSBroad DNS protection with strong family controls, encrypted protocols, and wide device coverage.9.4
- NextDNSA flexible DNS filtering service with unusually broad controls on its free plan.9.3
- Control DA flexible DNS platform with detailed policies, schedules, analytics, and router deployment.9.2
See all FortiGuard DNS Filtering Service alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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