Best Internet Filtering Software 2026

Protective DNS service with content controls and threat filtering for organizations.

NxFilter suits network administrators who need DNS filtering, user or group policies, reports, or filtering for remote Windows and Android devices.

DNS-layer internet filtering with AI domain categories and real-time blocking of malicious domains and DNS attacks.

Network DNS service blocks ads, trackers and malware, with category controls, custom lists and SafeSearch.

OpenBLD Free is aimed at personal use, home networks, and small offices.

OpenDNS Home suits home internet users who want customizable filtering and protection across devices connected to their network.

On-premise DNS filtering for business networks with malware, phishing and content controls.

FilterDNS suits people who want to self-host DNS filtering and manage separate rules for different devices or use cases.

DNS-level cybersecurity service that blocks phishing, malware, botnets, ransomware and other listed threats.

Cloud platform for school classroom, network, safeguarding and asset management across large device fleets.

Family DNS servers that block adult and harmful domains and enforce Safe Search.

Yandex DNS may suit people seeking free DNS filtering on personal devices or supported routers.

Hosted DNS web filtering for organizations with over 60 categories, custom lists and portal-managed policies.

Desktop and mobile app with custom filter lists for blocking unwanted web content.

Self-hosted protective DNS resolver showing blocked-query reasons and requesting devices.

Paid Android and iOS app that filters content for parental controls.