Privacy-first, AI-driven DNS security that blocks malware, phishing, and trackers at the network level. Protection for your family, your business, and your peace of mind.
Every device you connect is a potential target. Traditional security isn't enough when threats live at the DNS layer.
Sophisticated phishing pages impersonate banks, email providers, and SaaS apps to steal credentials in real-time.
+150% increase in 2024A single DNS query to a command-and-control server can trigger ransomware that encrypts your entire network.
$4.5M avg breach costAd networks and data brokers track every site you visit, building profiles to sell to the highest bidder.
2,000+ trackers per deviceChildren are exposed to harmful content, cyberbullying, and predatory behavior without proper filtering.
1 in 3 kids exposed onlineEmployees use unauthorized apps and services that bypass your security controls, creating invisible risk.
80% of workers use shadow ITAttackers abuse DNS to tunnel data out of your network, bypassing firewalls and endpoint detection.
46% go undetectedNo hardware. No complex configurations. Just fast, intelligent DNS security.
Point your router or device DNS to Sentry53's encrypted resolvers.
Optional lightweight agent for per-device policies and roaming protection.
Choose from presets or create custom rules for your family or team.
AI continuously adapts to new threats. Monitor everything from your dashboard.
Powered by real-time threat intelligence and machine learning, Sentry53 evolves with the threat landscape.
Our models analyze DNS patterns in real time, detecting zero-day domains, DGA-generated malware hosts, and lookalike phishing sites before traditional blocklists catch them.
DNS-over-HTTPS and DNS-over-TLS ensure your queries can't be snooped on by ISPs, governments, or attackers on your network.
Age-appropriate filtering, screen time scheduling, and activity insights keep your children safe without invading their privacy.
See every query, every block, and every trend. Drill down by device, user, or category with beautiful, actionable analytics.
Group-based policies, RBAC, audit logs, and API access. Integrate with your existing security stack seamlessly.
No credit card required. No contracts. Cancel anytime.
"I set it up in 3 minutes and immediately saw it blocking tracking domains I didn't even know existed. My kids' devices are finally safe."
"We deployed Sentry53 across our 3 offices. The policy engine is exactly what we needed — granular control without the enterprise price tag."
"The AI detection caught a phishing campaign targeting our org 6 hours before it appeared on any public blocklist. That's the difference."
Join our early access program and be among the first to experience next-generation DNS security. No credit card required.