When was DNSFilter founded?

DNSFilter was founded in 2015 and raised its 1st funding round 3 years after it was founded.

Where is DNSFilter located?

DNSFilter is headquartered in Washington, DC, United States.

Who is the current CEO of DNSFilter?

Ken Carnesi of DNSFilter. They have also founded 1 company.

How many employees does DNSFilter have?

As of Jun 30, 2026, the latest employee count at DNSFilter is 185.

Is DNSFilter a funded company?

DNSFilter is a funded company, having raised a total of $50.5M across 4 funding rounds to date. The company's 1st funding round was a $***** Seed round, raised on 2018.

When was the latest funding round of DNSFilter?

DNSFilter's latest funding was a $***** Series A round on Aug 10, 2023, with participation from 1 investor.

Where does DNSFilter rank among its competitors?

DNSFilter ranks 2nd amongst 57 active competitors, of which 5 are funded. It stands 2nd in terms of total funding among its competitors. The most recent competitor to raise funding was Whalebone, which secured $14M in Feb, 2025.

Who are the top competitors of DNSFilter?

DNSFilter's top competitors include BlueCat, Infoblox and Secure 64. Among them, Whalebone secured the most recent funding round in February, 2025.

DNSFilter - 2026 Company Profile, Team, Funding & Competitors

DNSFilter is a series A company based in Washington, DC (United States), founded in 2015 by Brian Gillis, Mike Schroll and Ken Carnesi. It operates as a Provider of cloud-based DNS filtering and cyber security solutions. DNSFilter has raised $50.5M in funding from Insight Partners and Arthur Ventures. The company has 57 active competitors, including 5 funded and 7 that have exited. Its top competitors include companies like BlueCat, Infoblox and Secure 64.

Company Details

Provider of cloud-based DNS filtering and cyber security solutions. It offers protective DNS solutions for network safety across various sizes. The company provides features such as content filtering, threat protection, and reporting. It also offers application blocking and universal lists for domain management.

Website: www.dnsfilter.com/
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Key Metrics

Founded Year

2015

Location

Washington, DC, United States

Stage

Series A

Total Funding

$50.5M in 4 rounds

Latest Funding Round

Series A, Aug 10, 2023, $*****

Investors

Insight Partners & 5 more

Ranked

2^nd among 57 active competitors

Employee Count

185 as on Jun 30, 2026

Investment & Acquisitions

Zorus & 2 more

Similar Companies

Vercel & 1457 more

View DNSFilter's full profile

DNSFilter has raised a total funding of $50.5M over 4 rounds. Its first funding round was on 2018. Its latest funding round was a Series A round on Aug 10, 2023 for $*****. 1 investor participated in its latest round. DNSFilter has 6 institutional investors.

Here is the list of recent funding rounds of DNSFilter:

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Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Aug 10, 2023	8257360	Series A	6805571	6349665	9838926	8271391
Jul 21, 2021	5763477	Series A	9333140	4301707	6296085	8570559
Dec 10, 2019	1252367	Series A	5943856	3873161	1438065	2324652

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View details of DNSFilter's funding rounds and investors

The founders of DNSFilter are Brian Gillis, Mike Schroll and Ken Carnesi. Ken Carnesi is the CEO of DNSFilter.

Here are the details of DNSFilter's key team members:

Brian Gillis: Co-Founder of DNSFilter.
Contact Info: 1 email address
Mike Schroll: Former Co-Founder of DNSFilter.
Contact Info: 1 email address
Ken Carnesi: Co-Founder & CEO of DNSFilter.
Contact Info: 1 email address

View details of DNSFilter's Founder profiles and Board Members

DNSFilter's employee count trend

DNSFilter has 185 employees as of Jun 26. Here is DNSFilter's employee count trend over the years:

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Top competitors of DNSFilter include BlueCat, Infoblox and Secure 64. Here is the list of Top 10 competitors of DNSFilter, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	BlueCat 2001, Toronto (Canada), Acquired	Cloud-based DNS and DHCP appliance and security solutions provider	$27.8M	Bridgescale, Trident Capital & 7 others	66/100
2nd	DNSFilter 2015, Washington, DC (United States), Series A	Provider of cloud-based DNS filtering and cyber security solutions	$50.5M	Insight Partners, Gula Tech Adventures & 4 others	64/100
3rd	Infoblox 1999, Santa Clara (United States), Acquired	Provider of core network services and security for hybrid enterprises	$71M	Lehman Brothers, Sequoia Capital & 17 others	64/100
4th	Secure 64 2002, Greenwood Village (United States), Series C	Secure DNS solutions for cyberthreat protection and network security	$12.1M	-	45/100
5th	Whalebone 2015, Brno (Czech Republic), Series B	Provider of DNS filtering based network security solution	$17M	Unbound, Day One Capital & 3 others	43/100
6th	Nominum 1999, Redwood City (United States), Acqui-Hired	Cloud security, computing, and content delivery solutions for optimal online experiences	$45M	SVB, T.Capital & 7 others	43/100
7th	EfficientIP 2004, Paris (France), Series B	Hardware and software appliances for IPAM, DNS and DHCP security & management	$16.5M	Jolt Capital, TempoCap & 1 others	43/100
8th	Zorus 2017, Monroe (United States), Acquired	Cloud based endpoint security solutions for managed service providers	$9.4M	ACP Partners, Innospark Ventures & 4 others	42/100
9th	Internet Identity 1996, Santa Clara (United States), Acquired	DNS firewall & threat intelligence based DNS security services	$8M	Bessemer Venture Partners, Tacoma Venture Fund	34/100
10th	Cyber SaaS 2016, London (United Kingdom), Deadpooled	DNS and IP threat defence solution	-	-	31/100

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DNSFilter has acquired 3 companies including Zorus, Guardian Firewall and WebShrinker. DNSFilter has not made any investments as of now.

Here is the list of its acquisitions:

Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Apr 07, 2025	Acquisition	Zorus	2017	Monroe (United States)
Aug 10, 2022	Acquisition	Guardian Firewall	2015	San Francisco (United States)
Apr 18, 2018	Acquisition	WebShrinker	2012	New York City (United States)