Hardenize
Hardenize: Broad perimeter monitoring with DNS and DNSSEC coverage for security teams. Ranked #12 of 37 in DNS Monitoring Software by our editors (8.0/10); pricing: Pricing on request · 14-day trial; best for security teams monitoring broad internet exposure.
At a glance
- Editor score8.0 / 10
- PricingPricing on request · 14-day trial
- Best forSecurity teams monitoring broad internet exposure
- Free planNo
- Check interval1440 minutes
- Founded2016 · London, United Kingdom
- Facts checked20 Sep 2026
Where it wins
- Automates domain, subdomain, host, certificate, and network asset discovery
- Monitors DNS and DNSSEC across IPv4 and IPv6, including nameserver health
- Adds REST APIs, event notifications, and AWS, Azure, and Google Cloud integrations
Where it doesn't
- Business and Enterprise pricing requires contacting sales
- There is no free plan
- Its broad security coverage may exceed the needs of DNS-only teams
Our verdict on Hardenize
Hardenize is a cloud-managed Internet asset inventory and monitoring service for organizations that need visibility across domains, subdomains, hosts, certificates, and network assets. It is suited to security teams monitoring broad Internet exposure rather than teams looking only for a narrow DNS dashboard. Coverage spans DNS and DNSSEC, authoritative nameservers, TLS and PKI, application security, SMTP configuration, Certificate Transparency, and TCP and UDP ports.
The published plans are Business and Enterprise, with pricing handled through contact with sales. Both plans include host discovery, daily network and security configuration monitoring, certificate inventory and expiration monitoring, automated Certificate Transparency monitoring, REST APIs, two-factor authentication, and Single Sign-On. A 14-day free trial is available. Web and API access support both analyst workflows and programmatic monitoring, while integrations with AWS, Azure, and Google Cloud Platform help connect cloud environments to the wider asset view.
Hardenize’s main distinction is breadth: automated discovery and continuous perimeter monitoring extend DNS checks into certificates, TLS, application security, SMTP, ports, and cloud-linked assets. DNS and DNSSEC monitoring covers IPv4 and IPv6, with authoritative nameserver and zone inspection, resolution checks, and nameserver health monitoring. That scope can help organizations investigate related exposure instead of treating DNS in isolation. Teams seeking a focused DNS monitoring product may prefer a narrower tool, while security teams responsible for broad Internet-facing infrastructure should find Hardenize the closer fit.
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Hardenize pricing
All 2 Hardenize plans and prices →
Hardenize fact sheet
| Free plan | No |
|---|---|
| Paid from | Not verified |
| Check interval | 1440 minutes |
| Resolution checks | Yes |
| Propagation checks | Not verified |
| Record-change alerts | Not verified |
| Nameserver health checks | Yes |
| Query locations | Not verified |
| Alert channels | Not verified |
| Free trial | 14 days |
| Deployment | Cloud |
| Platforms | Web |
| Support | Email, Docs |
| Built for | Mid-market, Enterprise (editorial estimate) |
| Integrations | 3 integrations: AWS, Azure, Google Cloud Platform |
| Pricing | Pricing on request · 14-day trial (source) |
| Website | hardenize.com |
| Facts checked | 20 Sep 2026 |
Hardenize integrations
Hardenize lists 3 integrations on its own site.
- AWS
- Azure
- Google Cloud Platform
Alternatives to Hardenize
- UpGex DNS MonitoringA low-cost DNS monitor with strong propagation checks, alerting, and API coverage.9.3
- DomainWarnA portfolio-focused DNS monitor with authoritative checks, incident detail and broad alert options.9.2
- DNS SpyA broad DNS oversight service for teams managing records, domains, and security.9.1
See all Hardenize alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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