FortiGuard DNS Filtering Service

Pricing on request

What the maker publishes

Attack detection

Full inspection of DNS traffic detects DNS-based application, volumetric, and anomaly attacks. source

Attack inspection

It performs full DNS traffic inspection to detect DNS application, volumetric, and anomaly attacks, including DoS and DDoS attacks. source

Botnet blocking

It blocks DNS requests to known botnet command-and-control domains. source

Company history

Fortinet says it was founded in the San Francisco Bay Area in 2000. source

DNS filtering

It filters DNS requests based on FortiGuard domain ratings. source

DNS flood protection

It limits the number of DNS requests to protect against DNS flood attacks. source

DNSSEC

It uses digital signatures to verify the authenticity of DNS responses. source

DNS threat blocking

It rejects DNS queries from staging sites to help stop infiltration and exfiltration attempts, including DNS leaks. source

Domain ratings

It filters DNS requests based on FortiGuard domain ratings. source

Encrypted DNS inspection

DNS inspection supports DNS over TLS (DoT) and DNS over HTTPS (DoH). source

Fabric integrations

The page lists FortiGate, FortiProxy, FortiDDoS, FortiXDR, and FortiTrust as Security Fabric integrations. source

Founded

2000 source

Headquarters

Sunnyvale, California, USA source

Integrations

The page lists FortiGate, FortiProxy, FortiDDoS, FortiXDR, and FortiTrust as Security Fabric integrations. source

Intended customers

The product page presents Enterprise, Small Mid-Sized Businesses, and Service Providers as customer groupings. source

Privacy use case

The page says encrypting DNS traffic can help prevent third parties from intercepting or tracking DNS queries. source

Purpose

The service highlights unusual DNS behavior to improve detection of malicious activity, compromised systems, and rogue-domain staging areas. source

Support

Fortinet’s product page links to FortiCare Customer Support and the Fortinet Community support forum. source

Supported audience

The page organizes its product audiences under Enterprise, Small Mid-Sized Businesses, and Service Providers. source

Use cases

Fortinet describes protection against DNS spoofing and cache poisoning, improved privacy through DNS traffic encryption, and improved DNS reliability. source

Checked against the maker's pages on 11 Oct 2026.