Detect Changes, Prevent Security Threats

Get instant alerts on port vulnerabilities, uptime, DNS changes, SSL issues, and performance drops before they impact your business or your customers.

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Trusted by 387 users

Works great with (unmanaged) servers from:

Hetzner logo
Strato logo
Ionos logo
GoDaddy logo
Leaseweb logo
OVHCloud logo
Firewall icon

Port scanner

Our port scanner monitors your firewall and detects security risks before they impact your business. Automatically check open ports at regular intervals and receive instant alerts about any changes. Use our port checker to monitor all TCP and UDP ports, with detailed insights into each detected service.

Open ports heatmap
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Uptime monitoring

Never miss a moment of downtime with our website uptime monitoring software. Get instant alerts when your websites are unreachable and respond to issues before they impact your customers. Track uptime history and performance trends to maintain reliable services.

Uptime monitoring dashboard
DNS records

DNS monitoring

Keep your websites secure with real-time DNS monitoring. We track changes to all DNS records, from A records to MX configurations, protecting you from DNS hijacking and unauthorized modifications. Maintain a complete history of DNS changes and get immediate alerts when records are altered.

DNS Monitoring Dashboard
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Performance monitoring

Track critical metrics like page load times and server response speeds. Identify and fix performance issues before they impact your users.

SSL certificate icon

SSL certificate monitoring

Never miss a certificate expiration. Get early warnings about SSL issues and security vulnerabilities. Keep your website secure and trusted.

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Security monitoring

Detect unauthorized changes to your website settings, content and APIs instantly. Monitor critical security settings and receive notifications for anomalies.

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Webhook icon

Get instant notifications via Slack*, email, or custom webhooks*. Respond to issues before they impact your business or your customers.