Top 10 Best Dns Filtering Software of 2026

Cisco Umbrella is a cloud-delivered DNS-layer security platform that enforces security policies by intelligently resolving or blocking malicious domains in real-time. It protects users from phishing, malware, ransomware, and C2 communications across all networks, including on-premises, cloud, and remote environments. With integration into the broader Cisco Secure ecosystem, it provides scalable threat intelligence powered by Talos, advanced reporting, and roaming client support for mobile devices.

NextDNS is a cloud-based DNS resolution service that provides powerful filtering to block ads, trackers, malware, phishing, and other threats at the DNS level. It offers extensive customization through thousands of blocklists, custom rules, and profiles for different devices or networks. Users benefit from real-time analytics, logging, and parental controls, all accessible via a web dashboard, making it ideal for securing entire households or businesses without additional hardware.

DNSFilter is a cloud-based DNS security platform that delivers content filtering, threat protection, and policy enforcement by intelligently resolving DNS queries to block malicious domains, malware, phishing sites, and unwanted categories like adult content or social media. It uses AI and machine learning for real-time threat detection and provides granular controls for users, groups, locations, and devices. The solution supports easy deployment via DNS changes, roaming clients for remote workers, and integrations with MDM and SIEM tools, making it scalable for businesses and educational institutions.

CleanBrowsing is a DNS-based content filtering service that protects users by blocking access to malicious, phishing, adult, and other unwanted websites through custom DNS resolvers. It offers multiple pre-configured filter networks including Security, Adult, Family, and Enterprise options, suitable for home, family, and business use. Deployment is simple, requiring only a change to DNS server settings on routers, devices, or networks for device-agnostic protection.

Control D is a versatile DNS resolution service specializing in advanced filtering to block ads, trackers, malware, phishing, and custom categories. It allows users to create unlimited custom profiles with granular rules, allowlists, and blocklists, supporting encrypted protocols like DoH and DoT. The platform provides detailed analytics, API access for automation, and works across devices by simply changing DNS settings.

AdGuard Home is a free, open-source network-wide DNS filtering solution that blocks ads, trackers, malware, and phishing domains by acting as a local DNS server for your entire home network. It supports encrypted DNS protocols like DNS-over-HTTPS (DoH) and DNS-over-TLS (DoT), custom filter lists, parental controls, and detailed query logs with real-time statistics. Easy to deploy on devices like Raspberry Pi, routers, or servers, it provides privacy-focused protection without relying on third-party services.

Pi-hole is an open-source DNS sinkhole solution that blocks ads, trackers, and malicious domains network-wide by intercepting and filtering DNS queries. It runs on lightweight hardware like a Raspberry Pi and offers a web-based dashboard for real-time stats, query logging, and list management. Users can leverage community-maintained blocklists or add custom ones for tailored filtering.

Quad9 (quad9.net) is a non-profit, public DNS resolver service that offers free DNS filtering to block malicious domains linked to malware, phishing, ransomware, and botnets. Users enable protection by simply changing their DNS server settings to Quad9's IPs, such as 9.9.9.9 for malware blocking or 9.9.9.10 for additional features like ECS. It prioritizes privacy by not logging IP addresses or personal query data, drawing threat intelligence from over 20 global partners.

Cloudflare for Families is a free public DNS service that provides network-level filtering by blocking domains associated with malware and adult content. Users activate it by changing their device's or router's DNS settings to 1.1.1.2 (malware + adult blocking) or 1.1.1.3 (malware only), offering simple, installation-free protection. It leverages Cloudflare's massive global infrastructure for fast resolution while prioritizing user privacy with no logging of queries.

SafeDNS is a cloud-based DNS filtering service that blocks access to malicious, phishing, and unwanted websites by resolving DNS queries through secure servers. It provides customizable content categories for security, productivity, and family protection, with options for businesses and home users. The platform includes reporting tools, custom block/allow lists, and integration with routers and firewalls for easy deployment.