List of the Top 7 On-Prem DNS Security Software in 2025

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.

SafeDNS is dedicated to fostering a more secure and protected internet space for small to medium-sized businesses, large corporations, internet service providers, managed service providers, original equipment manufacturers, and educational institutions. Our reach spans across the globe, enhancing online safety for millions of individuals across more than 60 nations. With extensive expertise in cybersecurity and DNS filtering, we provide state-of-the-art solutions that ensure your online safety. Our advanced technologies are designed to shield you from threats such as malware, phishing scams, and unsuitable content, among other risks. Currently, SafeDNS supports over 4,000 organizations and individual users worldwide, demonstrating our commitment to a safer digital landscape for all. As we continue to innovate, our goal is to expand our services and enhance protection for even more users in the future.

Finding data to illustrate the indifference some have towards malware can be quite challenging. While individuals might not know the specifics, there is a general consensus on the significant danger it poses. FlashStart effectively mitigates risks from botnets, ransomware, malware, and various other threats through premium, global protection channels. Users can also implement content filtering to restrict access to any web material deemed inappropriate. Such sites can pose risks that are either dangerous, distracting, or unwholesome. The Pro+ version comes with a secure app that can be downloaded easily. Centralized FlashStart protection safeguards all devices whether at home, in a cafe, or elsewhere, without requiring a router. The system is designed to tailor the filter to suit personal preferences. Rather than being a bulky appliance, it operates as a lightweight application compatible with existing end-user IT systems. This setup ensures a swift performance with latency under 5ms, enhancing user experience. Ultimately, the goal is to provide a seamless and secure browsing experience for everyone.

DNSFilter is a cloud-oriented DNS security solution aimed at shielding users from harmful websites, phishing schemes, and unsuitable content in real time. Leveraging its AI-driven Webshrinker technology, it perpetually analyzes and classifies web domains to maintain current threat defenses. The platform supports various deployment options, including configurations without agents and dedicated clients compatible with multiple operating systems, making it suitable for both onsite and remote work situations. It features comprehensive reporting, adjustable filtering rules, and compliance assistance for legislation such as CIPA, which makes DNSFilter particularly beneficial for sectors like education, healthcare, and corporate security. Additionally, its global Anycast network boosts speed and reliability, ensuring uninterrupted protection while maintaining optimal browsing performance. By prioritizing user safety and adaptability, DNSFilter stands out as a robust choice for organizations seeking to enhance their cybersecurity measures.

Fortinet emerges as a key global player in the cybersecurity sector, notable for its comprehensive and integrated approach to safeguarding digital infrastructures, devices, and applications. Founded in 2000, the organization provides a wide range of products and services, including firewalls, endpoint protection, intrusion prevention systems, and secure access solutions. A cornerstone of its offerings is the Fortinet Security Fabric, a unified platform that seamlessly combines various security tools to enhance visibility, automation, and provide real-time threat intelligence across the entire network. Renowned for its dependability among businesses, government agencies, and service providers worldwide, Fortinet prioritizes innovation, scalability, and performance, thereby reinforcing its defenses against the constantly shifting landscape of cyber threats. In addition to its protective capabilities, Fortinet’s dedication to enabling digital transformation and ensuring business continuity highlights its essential role within the cybersecurity landscape, positioning itself as a trusted partner for organizations striving to navigate modern security challenges effectively. With a focus on proactive measures and cutting-edge solutions, Fortinet continues to adapt and evolve to meet the demands of an increasingly complex digital world.

The iboss Zero Trust Secure Access Service Edge (SASE) transforms the way modern enterprises approach network security by facilitating secure and swift direct-to-cloud connections. Central to iboss Zero Trust SASE is the implementation of stringent access protocols that guarantee only verified and permitted users and devices gain access to network resources, irrespective of their physical location. This is accomplished through a robust array of security services founded on the principle of "never trust, always verify," which encompasses advanced threat protection, malware defense, data loss prevention (DLP), CASB, RBI, ZTNA, and real-time examination of encrypted traffic. Designed with a cloud-native foundation, iboss Zero Trust SASE offers unmatched visibility into user activities and sensitive data exchanges, streamlining the journey toward a secure digital transformation. This modern solution empowers organizations to implement a more adaptable, perimeter-less security approach, accommodating the fluid work environments characteristic of today's workforce. Ultimately, with iboss Zero Trust SASE, businesses can confidently leverage cloud technologies and mobile work arrangements while maintaining robust security measures, thereby achieving an essential equilibrium between operational efficiency and protective strategies in the rapidly changing cyber landscape. Furthermore, this innovative architecture not only addresses current security challenges but also prepares organizations for future threats, ensuring resilience in an increasingly digital world.

DefensePro and DefensePro VA provide advanced solutions designed to prevent, protect against, and mitigate DDoS attacks, effectively addressing IoT botnet threats in both conventional data centers and public cloud settings. As part of Radware's extensive strategy for mitigating attacks, DefensePro features automated defenses capable of responding to fast-paced, high-volume, encrypted, or short-lived threats, including those driven by IoT sources like Mirai, Pulse, and Burst, as well as assaults on DNS and TLS/SSL, in addition to risks associated with Permanent Denial of Service (PDoS) and Ransom Denial-of-Service (RDoS) tactics. Are you feeling overwhelmed by prolonged attack campaigns? Is your organization properly equipped with effective DDoS defense strategies to tackle the challenges posed by contemporary DDoS threats? Considering the potential dangers of lost revenue, rising expenses, and damage to your brand's reputation, it is vital for organizations to implement Radware's hybrid attack mitigation solution, which integrates real-time Web Application Firewall (WAF), SSL security, and DDoS defenses both on-premises and via a cloud service that can be activated as necessary. In the current digital environment, taking proactive steps is crucial to protect your assets against the rapidly changing landscape of cyber threats, and staying ahead requires continuous evaluation and enhancement of your security measures.