Control D is a DNS filtering platform that blocks unwanted content and threats, provides traffic redirection, and enhances privacy and visibility on network usage.

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Get a dedicated desktop app for Control D on Mac, Windows, and Linux with WebCatalog Desktop.

  • Launch Control D directly from your Dock or taskbar.
  • Work without distractions in a dedicated window, separate from your browser tabs.
  • Stay signed in to multiple Control D accounts and switch between them without logging out.

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Control D is for individuals, families, and organizations that want to manage which websites and online services can be reached from their devices or networks. Configure DNS filtering rules in profiles, then apply them to devices or a router to block malicious domains, ads, trackers, adult content, social media, and other selected categories or services. You can also create custom allow, block, or redirect rules for specific domains. The dashboard provides visibility into DNS requests, including what was allowed, blocked, or redirected, with details that can be organized by endpoint. For selected domains, services, or browsing activity, Control D can route traffic through proxy locations; this is DNS-based redirection, not a general-purpose VPN. It supports encrypted DNS protocols such as DNS-over-HTTPS, DNS-over-TLS, and DNS-over-QUIC, as well as legacy DNS. Control D may suit people who want filtering across configured devices or a home network, and IT teams or service providers managing policies for multiple users. Setup requires directing a device or network’s DNS to Control D.

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