Best On-Premises DNS Security Software of 2025

Control D is a customizable DNS filtering and traffic redirection platform that leverages Secure DNS protocols like DNS-over-HTTPS, DNS-over-TLS and DNS-over-QUIC, with support for Legacy DNS. With Control D you can: block malicious threats, block unwanted types of content network wide (ads & trackers, IoT telemetry, adult content, socials, and more), redirect traffic using transparent proxies and gain visibility on network events and usage patterns, with client level granularity. Think of it as your personal Authoritative DNS resolver for the entire Internet that gives you granular control over what domains get resolved, redirected or blocked.

At SafeDNS, we are committed to creating a safer and more secure online environment for SMBs, enterprises, ISPs, MSPs, OEMs, and Education. We have a global footprint, making the internet safer for millions of users in over 60 countries. With years of experience in the field of cybersecurity and DNS filtering, we offer cutting-edge solutions to safeguard your digital life. Our innovative technologies help you stay protected against malware, phishing attacks, inappropriate content, and more. SafeDNS currently serves over 4000 institutions and home users around the world.

It is very difficult to find data to show people who don’t care about malware. Although people may not be able to provide the exact details, almost everyone is aware that it's a serious threat. FlashStart blocks botnets, ransomware, malware, and other threats using global, top-class protection streams. You can block any web content that you find inappropriate by using content filtering. These sites could be dangerous, distracting, and unsavoury. Pro+ includes a secure, downloadable app. All devices are protected by centralized FlashStart protection at the home-office, cafe, and anywhere else. No router dependency. The idea is to optimize the filter to meet your individual needs. This is not an appliance. It is a lightweight application that runs on the existing IT systems of the end user. It should allow a low latency performance of less than 5ms.

DNSFilter is a cloud-based DNS security platform designed to protect users from malicious websites, phishing attacks, and inappropriate content in real time. Using its AI-powered Webshrinker technology, it continuously analyzes and categorizes web domains to ensure up-to-date threat protection. The solution offers flexible deployment, including agentless configurations and dedicated clients for various operating systems, making it ideal for both on-premise and remote environments. With detailed reporting, customizable filtering policies, and compliance support for regulations like CIPA, DNSFilter caters to industries such as education, healthcare, and enterprise security. Its global Anycast network enhances speed and reliability, providing seamless protection without compromising browsing performance.

Fortinet stands out as a prominent global entity in the realm of cybersecurity, recognized for its all-encompassing and cohesive strategy aimed at protecting digital infrastructures, devices, and applications. Established in the year 2000, the company offers an extensive array of products and services, which encompass firewalls, endpoint security, intrusion prevention systems, and secure access solutions. Central to its offerings is the Fortinet Security Fabric, a holistic platform that effectively melds various security tools to provide enhanced visibility, automation, and real-time intelligence regarding threats across the entire network. With a reputation for reliability among businesses, governmental bodies, and service providers across the globe, Fortinet places a strong emphasis on innovation, scalability, and performance, thereby ensuring a resilient defense against the ever-evolving landscape of cyber threats. Moreover, Fortinet’s commitment to facilitating digital transformation and maintaining business continuity further underscores its role as a pivotal player in the cybersecurity industry.

The iboss Zero Trust Secure Access Service Edge (SASE) redefines network security architecture for modern businesses, enabling secure, direct-to-cloud connections that prioritize safety and speed. At its core, iboss Zero Trust SASE enforces strict access controls, ensuring that only authenticated and authorized users and devices can access network resources, regardless of their location. This is achieved through a comprehensive suite of security services that operate under the principle of "never trust, always verify," including advanced threat protection & malware defense, data loss prevention (DLP), CASB, RBI, ZTNA, and real-time inspection of encrypted traffic. Built in the cloud, iboss Zero Trust SASE provides unparalleled visibility across all user activities and sensitive data transactions, facilitating a secure digital transformation. This allows organizations to adopt a more flexible, perimeter-less security model that supports the dynamic work environments of today's workforce. With iboss Zero Trust SASE, businesses can confidently embrace cloud technologies and mobile working without compromising on security, ensuring a balance between productivity and protection in the ever-evolving cyber landscape.

DefensePro and DefensePro VA offer sophisticated solutions for DDoS prevention, protection, and mitigation of IoT botnet attacks for both traditional data centers and public cloud environments. As a component of Radware's comprehensive attack mitigation strategy, DefensePro ensures automated defense mechanisms against rapid, high-volume, encrypted, or brief threats, including IoT-driven attacks such as Mirai, Pulse, Burst, as well as DNS and TLS/SSL assaults, alongside those linked to Permanent Denial of Service (PDoS) and Ransom Denial-of-Service (RDoS) methods. Are you weary of battling extended attack campaigns? Is your organization equipped with the right DDoS defense strategies to endure the complexities of modern DDoS threats? Given the looming risks of lost revenue, increased costs, and harm to brand reputation, it is crucial for organizations to adopt Radware's hybrid attack mitigation solution, which seamlessly combines real-time Web Application Firewall (WAF), SSL security, and DDoS defenses both on-site and through a cloud service that can be activated as needed. In today's digital landscape, proactive measures are essential to safeguarding your assets against ever-evolving cyber threats.