Control D is a versatile DNS filtering and traffic redirection service that utilizes advanced Secure DNS protocols such as DNS-over-HTTPS, DNS-over-TLS, and DNS-over-QUIC, while also accommodating traditional DNS.
With Control D, users can effectively eliminate harmful threats, restrict various types of undesirable content across the network—including advertisements, trackers, IoT data, adult material, social media, and more—while also redirecting traffic through transparent proxies and monitoring network activities and usage patterns at a client-specific level.
Consider it your own personalized Authoritative DNS resolver for the entire Internet, providing you with detailed control over which domains are allowed to be resolved, redirected, or blocked. This capability not only enhances security but also empowers users to tailor their online experience according to their preferences.
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Admiral is the category leader for adblock recovery for publishers and the creator of Visitor Relationship Management (VRM). Trusted by thousands of publishers and backed by more than a decade of expertise, Admiral helps recover millions of dollars in advertising revenue lost to adblockers, privacy tools, DNS filtering, VPNs, network-level blocking, and other forms of monetization disruption.
Beyond ad recovery, Admiral helps publishers recover and grow revenue through subscriptions, registrations, first-party data, consent management, email acquisition, social audience growth, donations, and other visitor monetization strategies. By combining multiple recovery and revenue-growth approaches in a unified platform, Admiral helps publishers reduce revenue leakage, increase visitor lifetime value, and strengthen direct audience relationships.
Key capabilities include:
• Industry-leading adblock detection, reinsertion, and recovery optimization
• AI-powered Visitor Copilot for conversational engagement, audience guidance, and revenue growth
• Digital subscriptions, paywalls, memberships, and donation programs
• GDPR, CCPA, IAB, and Google-certified consent management
• First-party data collection, audience segmentation, and visitor identification
• Marketing automation, journey shaping, and AI-powered optimization
• Email growth, social audience growth, registrations, and engagement campaigns
• Analytics, testing, personalization, and revenue performance measurement
Admiral's no-code platform can be deployed quickly and optimized continuously, helping publishers maximize revenue recovery, audience growth, and overall monetization performance.
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NxFilter
NxFilter serves as a free and highly efficient DNS filtering solution designed to maintain optimal performance and reduce latency across your network. It boasts an array of advanced features, including integration with Active Directory, support for DNS over HTTPS, management of screen time, data limitations, user-specific reporting, filtering for remote users, and the capability to cluster for improved performance. This flexible tool is suitable for diverse environments, such as businesses, educational institutions, healthcare facilities, non-profit organizations, and family safety applications, enabling customized filtering policies tailored to different user groups. By caching DNS responses from upstream servers, NxFilter not only cuts down on DNS traffic but also enhances overall network efficiency significantly. The software supports various user authentication methods, particularly through Active Directory, and incorporates keyword filtering to block inappropriate search terms. Renowned for its reliability, NxFilter can operate for prolonged periods without the necessity for restarts, making it an adaptable solution that effectively caters to thousands of users. Furthermore, its intuitive interface and extensive support documentation facilitate a straightforward implementation process. Users can also benefit from regular updates, ensuring that they have access to the latest features and security enhancements.
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Rethink DNS
RethinkDNS is a pioneering open-source application designed to enhance online security and privacy for Android users. It combines a DNS resolver, a firewall, and a VPN client into a single, cohesive tool, enabling users to effectively eliminate ads, trackers, malware, and spyware from all their applications. With support for over 190 blocklists, including those used by top ad blockers like uBlock Origin, the app significantly improves user experience. By utilizing DNS over HTTPS (DoH) or DNS over TLS (DoT) for encrypting DNS queries, RethinkDNS ensures that internet connections remain secure and private. Additionally, it boasts a customizable firewall, allowing users to control internet access on a per-application basis, complemented by an integrated WireGuard VPN client to safeguard outgoing traffic. RethinkDNS is readily accessible for download on both the Google Play Store and F-Droid, with the goal of transforming Android devices into tools that align with individual user preferences and requirements. This innovative approach not only enhances the user experience but also serves to address the increasing demand for more substantial control over personal digital privacy. By empowering users, RethinkDNS promotes a more tailored and secure online environment that is reflective of today's digital landscape.
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