Secure Your DNS. Automate NIS2 Compliance.
The intelligent platform that combines email deliverability optimization with enterprise-grade DNS security monitoring and automated NIS2/SOC2 audit preparation.
See It In Action
Click on any domain to explore its security analysis. Copy-paste DNS fixes work with 95%+ of providers.
Audit History
Select a scan to inspect the results.
The interactive preview is available on a wider screen. Run a free security audit to try the product now.
Everything DNS security.
One platform.
30-Point Advanced Audit
Complete DNS security analysis in under 30 seconds — email auth, SSL/TLS, DNSSEC, brand protection, and more.
24/7 Monitoring
Your checkout emails went to spam for 6 hours. $18K lost. We'd have alerted you in 15 minutes.
NIS2 Evidence Collection
"Prove you monitor DNS 24/7." One click — download 90-day logs. Cut audit prep from 3 weeks to 2 days.
Step-by-Step Remediations
Every issue comes with copy-paste DNS records and provider-specific guides for Cloudflare, GoDaddy, Route53, and more.
TXT Record · _dmarc
v=DMARC1; p=quarantine;
rua=mailto:[email protected]How it works
Simple, Fast, Effective.
Three steps to comprehensive DNS security.
Run Comprehensive Audit
Enter your domain and get a tiered security analysis: 6 checks on Free, 30 on paid. Instant visibility into SPF, DMARC, DKIM, DNSSEC, SSL/TLS, blacklists, and more — no account required.
Built for Every Team
From startups sending their first emails to enterprises preparing for compliance audits.
SaaS & E-commerce
Stop losing 20% of your revenue to the spam folder. Fix SPF/DKIM issues instantly.
Enterprise Security
DNS security visibility across brands, regions, and subsidiaries.
MSPs & IT
Get alerted at midnight. Fix it before the client wakes up. All domains, one dashboard.
Agencies
Deliver email security as a premium service. Impress clients with comprehensive reports.
Trusted by Security Professionals
See how organizations worldwide use ZeroHook to protect their domains and streamline compliance.
"NIS2 auditor asks: "Prove you monitor DNS 24/7." One click: Download 90-day monitoring logs. We reduced our audit prep time from 3 weeks to 2 days. The automated evidence collection saved us thousands."
"Client calls at 3 AM: "Our email is down." You're the hero who fixed it before they woke up because ZeroHook alerted you at midnight. As an MSP managing 200+ client domains, ZeroHook transformed our workflow."
"The step-by-step fix guides are a game changer. Our junior DevOps team fixed critical DMARC issues in 20 minutes without escalating to seniors. The provider-specific guides saved us hours of guesswork."
"We went from failing 12 DNS security checks to just 1 in a single afternoon. The copy-paste DNS records and scoring system made it crystal clear what to fix and in what order."
"ZeroHook is now part of every client onboarding. We run a full audit before launch and present results as part of our deliverable. Clients love that we catch issues before they go live."
"NIS2 auditor asks: "Prove you monitor DNS 24/7." One click: Download 90-day monitoring logs. We reduced our audit prep time from 3 weeks to 2 days. The automated evidence collection saved us thousands."
"Client calls at 3 AM: "Our email is down." You're the hero who fixed it before they woke up because ZeroHook alerted you at midnight. As an MSP managing 200+ client domains, ZeroHook transformed our workflow."
Ready to secure your domains?
See what enterprise-grade DNS security looks like in under 30 seconds. No credit card required.