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Top 10 DNS Security Solutions SaaS Companies in May 2026

As of May 2026, there are 10 SaaS companies in DNS Security Solutions. They have combined revenues of $115.1M and employ 1.1K people. They have raised $11M and serve 1K customers combined.

DNS Security Solutions are designed to protect the Domain Name System (DNS) from a variety of cyber threats and vulnerabilities. These solutions ensure the integrity and availability of DNS services, which are critical for navigating the internet. By safeguarding DNS infrastructure, organizations can prevent attacks such as DNS spoofing, denial of service (DoS), and other malicious activities that can redirect users to harmful sites. Primary use cases for DNS Security Solutions include protecting networks from phishing attacks, ransomware, and data breaches, while also improving overall internet performance. Typical features include DNS threat intelligence, real-time traffic monitoring, granular filtering of DNS requests, and automated responses to potential threats. Common buyer personas include IT security professionals, network administrators, and compliance officers, who seek to enhance their organization's cybersecurity posture and protect sensitive data.

Companies
10
Revenue
$115.1M
Funding
$11M
Employees
1.1K

Filters

Sorting: Highest -> Lowest

Filters
Revenue
All<$1M$1M-$5M$5M-$10M$10M-$100M$100M+
Funding (Locked)Growth (Locked)Team-Size (Locked)

Top DNS Security Solutions Companies

Showing 10 of 3 companies ranked by annual revenue.

1
DNSimple

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.

Revenue
$3M
Customers
-
Year founded
2010
Funding
-
Team size
23
Growth
50.64%
2
SafeDNS

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!

Revenue
$2.2M
Customers
-
Year founded
2010
Funding
-
Team size
20
Growth
-
3
ThreatSTOP, Inc.

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.

Revenue
$2.1M
Customers
-
Year founded
2009
Funding
-
Team size
19
Growth
-

Inclusion Criteria

- Must provide protection against DNS-based attacks such as DNS spoofing and DDoS attacks. - Should include features for real-time monitoring and analysis of DNS traffic. - Capable of filtering access to malicious domains and harmful content. - Must offer threat intelligence to identify and mitigate emerging threats. - Not just monitoring; must also include proactive response capabilities to DNS threats.