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Best DNSFilter Alternatives ranked by AI · updated Aug 2026
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DNSFilter is a cloud-based DNS filtering service for businesses, schools, and managed service providers. It blocks malware, phishing, ransomware, and inappropriate content through centrally managed policies and optional roaming-device protection.
Top 6 DNSFilter alternatives
Quad9 is a free, recursive, anycast DNS platform that provides end-users robust security protections, high-performance, and privacy.
Cisco Umbrella is a cloud security platform that provides the first line of defense against threats on the internet. It offers DNS-layer...
Contact Cisco for pricing
FlashStart is a cloud-based web filtering and parental-control service for schools, businesses, public organizations, and families. It blocks inappropriate or risky online...
Pros
- Supports schools, businesses, public institutions, and households from one platform
- Cloud-based filtering can protect users across multiple networks and devices
- Provides category-based blocking, policy controls, and activity reporting
Cons
- Pricing is less transparent than consumer-focused alternatives
- Advanced administration may require more setup than family-only filters
- Less widely documented by independent reviewers than DNSFilter or Cloudflare Gateway
EfficientIP DNS Security protects enterprise users and networks from malicious domains, phishing, malware, and command-and-control traffic. It integrates DNS security with EfficientIP's...
Pros
- Combines DNS security with integrated enterprise DDI management
- Supports centralized policies across distributed networks
- Provides DNS-layer protection without requiring endpoint agents
Cons
- Less suitable for organizations without EfficientIP DDI
- Enterprise pricing is not publicly listed
- May require more network administration than cloud-only DNS filters
Untangle Web Filter is a policy-based web content filtering application for the Untangle NG Firewall platform, used by small businesses, schools, and...
Pros
- Combines URL categorization with firewall and gateway controls
- Supports granular policies for users, groups, and network traffic
- Provides reporting alongside broader NG Firewall security tools
Cons
- Requires the Untangle NG Firewall platform and its subscription model
- Less cloud-native than Cisco Umbrella or Cloudflare Gateway
- Smaller ecosystem and market presence than Fortinet or Cisco
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