Top 10 DNS Security Solutions SaaS Companies in May 2026

Toronto, Ontario, Canada

BlueCat provides core services and solutions that help our customers and their teams deliver change-ready networks. With BlueCat, organizations can build reliable, secure, and agile mission-critical networks that can support transformation initiatives such as cloud adoption and automation. BlueCat’s growing portfolio includes services and solutions for automated and unified DDI management, network security, multicloud management, and network observability and health. BlueCat’s DDI management platform was recognized as a market leader and outperformer in GigaOm’s 2022 and 2023 Radar reports. The company is headquartered in Toronto and New York and has additional offices in Germany, Iceland, Japan, Singapore, Serbia, and the United Kingdom.

Brno, South Moravian, Czech Republic

Whalebone provides zero-disruption DNS-based cybersecurity solutions to Telcos, ISPs, and critical-infrastructure enterprises, as well as government/public sectors.

La Garenne-Colombes, France

Provider of network automation tools intended to drive business through network services availability, security and performance. The company's tools uses data documentation initiative in order to promote cloud services and offer DNS security services, enabling its clients to receive network discovery and management automation services.

Melbourne, Florida, United States

DNSimple provides, DNS hosting and domain management automation services through a powerful API and beautiful web interface. Register domains, manage DNS, and issue SSL certificates, with clients in Ruby, Go, Elixir, Node, and more. DNS hosting service is fully compliant with all the .BANK security requirements. Whether you are a lone developer working on your next killer project, or a seasoned business looking for solid, reliable managed DNS, DNSimple has a plan for you.

Alexandria, Virginia, United States

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. Connect with us to stay updated on the latest trends in online security, industry news, and valuable insights. Join us on the safe side of the Internet!

Carlsbad, California, United States

ThreatSTOP was started in 2009 with a mission: Give organizations of any size the same cybersecurity protection that Fortune 1000 companies have. Few companies have the resources to curate threat intelligence feeds into machine readable enforcement policies. Fewer still have the resources to update their network devices with those policies. ThreatSTOP addresses protection gaps for both inbound and outbound network traffic with cloud-based automated threat intelligence and Protective DNS, converting the latest threat data into enforcement policies, updating devices to stop attacks before they become breaches. The team has more than 120 years’ combined experience in security research.

Toronto, Ontario, Canada

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. - Block malicious threats - Block unwanted types of content network wide (ads & trackers, IoT telemetry, adult content, socials, and more) - Gain visibility on network events and usage patterns, with client level granularity - Re-route traffic via proxies (through DNS) for improved privacy and security

Dallas, Texas, United States

ScoutDNS protects networks through DNS filtering of inappropriate websites, blocking malware/virus infected locations, and eliminating most web based advertisements for your users.

Weatherford, Texas, United States

CleanBrowsing is a DNS-based content filtering service. It was built to empower parents to retake control of their home networks, allowing kids to have safe browsing experiences. It's evolved into a solution that parents, and organizations, alike can use to create family friendly networks. CleanBrowsing believes in the idea that users should always be safe on the web, and that parents should have simple solutions that are effective. It's why we offer the world three free DNS filters they can use at will: Security, Adult, and Family. For those individuals, organizations, looking for a bit more control or visibility we also offer a suite of different service configurations that align well with what you might find in the market place. For any questions, please contact [email protected]

Kelowna, British Columbia, Canada

Cybird DNS provides comprehensive cybersecurity for individuals, families, and businesses. Individuals, enjoy secure browsing and privacy protection across all devices. Families benefit from child-safe content and insight into online habits. Businesses get continuity with minimal distractions and network monitoring. Enjoy a hassle-free, one-time setup for seamless security. There's no need for app installations or updates, ensuring a fast, modern, cloud-based security experience.