
DNSFilter offers threat protection & content filtering for MSP partners, and mid-sized and enterprise companies. Our software blocks malicious site content in real-time and provides important visibility for IT teams.

DNSFilter offers threat protection & content filtering for MSP partners, and mid-sized and enterprise companies. Our software blocks malicious site content in real-time and provides important visibility for IT teams.
What they do: AI-powered DNS-layer content filtering and threat protection for enterprises, MSPs, ISPs, and education
Founded: October 2015
Founders / leadership mentioned: Ken Carnesi (CEO/co‑founder), Brian Gillis (co‑founder/chief architect); Michael Schroll also listed as a founder in some profiles
Scale: Processes over 200 billion DNS queries daily (company report)
Funding signal: Series A $30M (Insight Partners, Jul 2021); $15M Series A extension (Sep 2023)
DNS-layer cybersecurity, web content filtering, threat protection for managed service providers and mid-to-enterprise organizations
2015
Technology, Information and Internet
$30M
$15M
Described by the company as a Series A extension
“Insight Partners led the Series A and participated in a Series A extension”