DNS Filtering Cost 2026: Vendors Compared

Published September 14, 2026 - San Francisco, California. DNS filtering cost 2026 comparison has matured into a clear procurement decision for IT security buyers because every major vendor in 2026 ships DNS-layer security, threat intelligence, and policy controls at predictable per-user pricing. The remaining differences live in threat-intel depth, deployment model (agent vs network-level), and integration with the broader security stack.

Cisco Umbrella ($2-$6 per user per month) is the most-deployed enterprise option, Cloudflare Gateway ($0.50-$5 per user per month) is the cheapest mature choice, and Quad9 (free for non-commercial) is the right pick for home users and small businesses without policy needs (Cisco Umbrella, Cloudflare Gateway, Webroot Pricing, September 2026).

At a glance

• DNS filtering per-user cost: $0.50-$6 per user per month
• Cisco Umbrella: $2-$6 per user per month
• Cloudflare Gateway: $0.50-$5 per user per month
• Webroot/DNSFilter: $1-$3 per user per month
• Quad9 free for non-commercial use

Data last verified September 14, 2026 from Cisco Umbrella, Cloudflare Gateway, Zscaler, Webroot, DNSFilter, Quad9, and IDC's 2026 DNS Security Market Update.

Quick Answer

DNS filtering cost 2026: choose Cisco Umbrella ($2-$6 per user per month) for the most-deployed enterprise platform with Cisco Talos intel, Cloudflare Gateway ($0.50-$5 per user per month) for the cheapest mature option with the largest edge network, Webroot ($1.50-$3 per user per month) for SMB and MSP-focused deployments, or Quad9 (free) for home users and small businesses without policy needs.

A 1,000-user DNS filtering deployment with Cisco Umbrella DNS Security Advantage lands at roughly $48,000 per year; the same deployment with Cloudflare Gateway Teams Standard lands at roughly $36,000 per year on annual commits. Add-on modules like CASB, DLP, and RBI typically stack $2-$5 per user per month on top.

Cisco Umbrella: the enterprise incumbent.

Cisco Umbrella (now part of Cisco Secure Access) ships three pricing tiers in 2026: Umbrella DNS Security Essentials at $2 per user per month (DNS-layer security with 80+ content categories and Cisco Talos threat intelligence), Umbrella DNS Security Advantage at $4 per user per month (adds malware detection, sandboxing, and Cisco Secure Endpoint integration), and Umbrella Secure Internet Gateway (SIG) at $6 per user per month (full SWG with proxy, CASB, DLP, FWaaS, and RBI).

Annual and 3-year commits save 15-25% versus month-to-month; volume discounts above 5,000 users typically land at $1.50-$5 per user per month effective cost (Cisco Umbrella Pricing, September 2026). The platform includes 30+ data centers globally, Cisco Talos threat intelligence (one of the largest commercial feeds in the industry with 600+ TB of daily telemetry), and integration with Cisco Secure Endpoint, Cisco Duo, and Cisco ThousandEyes.

Cisco Umbrella's 2026 strengths are threat-intel depth, Talos-class detection rates (typically 95-99% on malicious domains), and integration with the broader Cisco security stack. Weaknesses are per-user pricing 50-80% above Cloudflare Gateway and Zscaler DNS, plus a longer deployment timeline because of Cisco-specific configuration.

Cloudflare Gateway: the cost-disruptor with the largest edge network.

Cloudflare Gateway ships at the cheapest mature DNS filtering price point in 2026: Cloudflare Gateway Standard ships free with up to 50 users and 100,000 queries per month, the Teams Standard plan at $5 per user per month (or $3 per user per month on annual) covers up to 1,000 users with core SWG features, and the Teams Advanced plan at $7 per user per month (or $5 per user per month on annual) adds CASB, DLP, RBI, and advanced threat intelligence.

Cloudflare's 300+ city edge network processes DNS queries at sub-25-millisecond latency on average, which is the largest geographic footprint of any DNS filtering vendor in 2026. Cloudflare's threat-intelligence feed aggregates from 25+ partners including Cisco Talos (via shared feeds), Proofpoint, and the Cloudflare network telemetry of 20% of all web traffic (Cloudflare Gateway Pricing, September 2026).

The trade-off versus Cisco Umbrella is that Cloudflare Gateway's threat-intel feed is smaller than Cisco Talos and the platform's CASB and DLP are still maturing. For most enterprises the threat-detection difference is under 2% on coverage; for highly regulated environments (HIPAA, PCI-DSS) with audit-driven requirements, Cisco Umbrella is the smoother fit.

Zscaler DNS: bundled with ZIA.

Zscaler DNS filtering in 2026 is bundled into Zscaler Internet Access (ZIA) and runs the same Talos-class threat intelligence as Cisco Umbrella, plus Zscaler's own cloud-native threat feed. ZIA's DNS layer is typically $1-$3 per user per month of effective cost (when purchased as part of ZIA Plus, which lists at $5-$8 per user per month).

Zscaler's 150+ data centers resolve DNS queries at sub-25-millisecond latency on average, comparable to Umbrella's 30+ data centers. ZIA DNS adds advanced features beyond Umbrella's, including per-user DLP scanning of DNS queries, malware detection via sandboxing, and integration with Zscaler Deception for honeypot-based threat detection. The trade-off is that ZIA DNS only works on the Zscaler Client Connector (ZCC) agent; Umbrella's AnyConnect roaming client works on more endpoints (Zscaler Pricing, September 2026).

For organizations already on Zscaler ZIA, the DNS layer is a no-cost incremental step. For organizations evaluating ZIA purely for DNS filtering, Cloudflare Gateway or Cisco Umbrella are 30-60% cheaper at the same scope.

Webroot and DNSFilter: SMB and MSP-focused.

Webroot DNS filtering pricing in 2026 is published as BrightCloud Threat Intelligence DNS at $1.50-$3 per user per month for SMB and mid-market, with volume discounts above 500 users bringing effective cost to $1-$2 per user per month. Webroot ships 80+ content categories, real-time threat intelligence from the BrightCloud feed (updated every 5 minutes), and integrates with Webroot Endpoint Protection and OpenText security stack (Webroot Pricing, September 2026).

DNSFilter pricing in 2026 is published at $1-$3 per device per month with multi-tenant MSP management console included on every tier. DNSFilter is most popular with managed-service providers and distributed enterprises with thousands of branch offices, because the per-device pricing model is more flexible than per-user.

For 500-user enterprises the effective cost lands at $9,000-$18,000 per year, which is 30-50% cheaper than Cisco Umbrella at the same scope. The trade-off is that Webroot and DNSFilter ship less mature CASB and DLP than Cisco Umbrella or Zscaler, so organizations with significant cloud DLP requirements typically pair them with a separate CASB.

DNS filtering per-user pricing comparison.

Source: Cisco Umbrella, Cloudflare, Zscaler, Webroot, DNSFilter, Quad9 pricing pages, retrieved September 14, 2026.

For cost-sensitive deployments under 1,000 users, Cloudflare Gateway wins on raw per-user pricing. For organizations already standardized on Cisco security stack, Umbrella wins on integration depth. For SMB and MSP-focused deployments, Webroot and DNSFilter win on operational fit.

DNS filtering as a layer in a defense-in-depth architecture.

DNS filtering in 2026 is the first layer of internet security but does not replace a full Secure Web Gateway (SWG). DNS filtering blocks malicious domains and policy-violating content at the DNS resolution layer (sub-50-millisecond response), but it does not inspect the actual content of HTTP/HTTPS traffic - which is what a full SWG does.

A layered defense in 2026 typically includes DNS filtering (Cisco Umbrella, Cloudflare Gateway) for the broad kill-net effect, plus a full SWG (Zscaler ZIA, Netskope SWG, Cisco Umbrella SIG) for deep HTTPS inspection. The combined cost is typically $5-$10 per user per month for DNS plus $5-$10 per user per month for SWG (Gartner SSE Architecture, September 2026).

DNS filtering also pairs with endpoint protection (CrowdStrike, SentinelOne, Microsoft Defender) for layered threat detection. The most-common 2026 detection stack is DNS filtering (DNS-layer kill-net) + endpoint protection (behavioral detection) + SWG (HTTPS inspection) + CASB (SaaS posture) - with combined per-user cost typically $10-$25.

Threat-intelligence depth comparison.

Cisco Talos remains the deepest commercial threat intelligence feed in 2026, processing 600+ TB of daily telemetry from Cisco products, the Umbrella network, and the broader threat-intelligence community. Talos detects malicious domains typically 5-30 minutes ahead of competitor feeds.

Cloudflare's threat-intel feed aggregates from 25+ partners including Cisco Talos (via shared feeds), Proofpoint, and the Cloudflare network telemetry of 20% of all web traffic; detection rates are typically 95-98% on malicious domains versus Talos's 96-99%. Webroot BrightCloud and DNSFilter ship smaller but competitive feeds at 92-96% detection rates.

For most enterprises the 2-4 percentage-point detection-rate difference is invisible at the SOC level; for highly regulated environments (financial services, federal contractors) the Talos feed depth is the deciding factor (IDC Threat Intel Survey, September 2026).

Bottom line for 2026 buyers.

DNS filtering cost 2026 lands at $0.50-$6 per user per month depending on vendor and scope. Cisco Umbrella ($2-$6) is the enterprise default for organizations already on the Cisco stack; Cloudflare Gateway ($0.50-$5) is the cost-disruptor with the largest edge network; Webroot and DNSFilter ($1-$3) are the SMB and MSP favorites; Quad9 (free) is right for home users and small businesses without policy needs. DNS filtering does not replace SWG; expect a layered $10-$25 per user per month cost for DNS + SWG + CASB + endpoint in 2026.

FAQs

Does DNS filtering work on remote workers?

Yes - Cisco Umbrella, Cloudflare Gateway, Zscaler ZIA DNS, Webroot, and DNSFilter all ship roaming clients for Windows, macOS, Linux, iOS, and Android in 2026. The roaming client intercepts DNS queries on the device and routes them through the vendor's cloud for filtering. For organizations that don't want to deploy a client, Cisco Umbrella supports network-level enforcement via AnyConnect roaming module or via integration with Cisco Meraki SD-WAN for agentless deployments.

What is the difference between DNS filtering and recursive DNS?

Recursive DNS (like Quad9, Google 8.8.8.8, Cloudflare 1.1.1.1) is the upstream resolver that walks the DNS hierarchy to find the answer to a query. DNS filtering is a security layer that sits in front of recursive DNS to block malicious or policy-violating queries before they're resolved. Most enterprises in 2026 use a DNS filtering service as their recursive DNS resolver, which means every query gets inspected before reaching the upstream authoritative DNS.

Does DNS filtering slow down internet browsing?

No - DNS filtering adds 5-30 ms of latency on the first DNS query, but subsequent queries are cached at the vendor's edge POPs and on the local device. Most users do not notice DNS filtering latency. Cloudflare Gateway's 300+ city edge network typically adds 5-15 ms; Cisco Umbrella's 30+ data centers add 10-30 ms; Zscaler's 150+ data centers add 10-25 ms.

Can DNS filtering block ransomware?

Yes - DNS filtering blocks 60-80% of ransomware at the command-and-control (C2) stage by blocking the malicious domains the ransomware reaches out to for encryption keys, payload updates, and payment infrastructure. DNS filtering is not a complete ransomware defense - it must be paired with endpoint protection, email security, and security awareness training - but it is the single highest-ROI control in most 2026 ransomware defense stacks.

Does DNS filtering support IPv6?

Yes - all major DNS filtering vendors in 2026 ship full IPv6 support. Cisco Umbrella, Cloudflare Gateway, Zscaler ZIA DNS, Webroot, and DNSFilter all resolve IPv6 queries at the same fidelity as IPv4. For IPv6-only networks, expect the same threat-intel coverage and policy enforcement as IPv4 networks; some legacy policy categories (custom URL lists) may need separate IPv6 entries.

Does DNS filtering inspect HTTPS content?

No - DNS filtering inspects DNS queries only. To inspect HTTPS content, you need a full SWG (Secure Web Gateway) like Zscaler ZIA, Netskope SWG, or Cisco Umbrella SIG that can perform TLS inspection. Layered defense in 2026 typically pairs DNS filtering for the broad kill-net effect with SWG for deep HTTPS inspection; combined cost is $5-$10 per user per month for each layer.