Seabhac / shaw-uck / watches your uptime, DNS, SSL, email deliverability, and more from distributed probes across the globe. Hosted in the EU and fully GDPR-compliant. Know before your users do.
Twelve specialised check types run from multiple regions simultaneously, so you see the full picture.
Monitor uptime, status codes, response body, and latency for any HTTP endpoint. Supports custom headers and POST bodies.
Verify A, AAAA, MX, TXT, and CNAME records resolve correctly. Catch misconfiguration and propagation failures instantly.
Track certificate expiry, validity, cipher suites, and protocol versions. Get alerted before your cert lapses.
Continuously validate SPF, DKIM, and DMARC records for your sending domains. Catch policy drift before it impacts delivery.
Check your IPs and domains against 50+ DNSBL servers. Know the moment you're listed and where.
Connect to your mail server, negotiate EHLO, and verify TLS handshake and capability advertisement.
Probe any port for reachability and measure connection time. Works for databases, game servers, and custom services.
Measure TTFB, FCP, LCP, and CLS (Core Web Vitals) with a real browser. Catch regressions before they affect SEO.
Verify SSH service reachability and banner content. Catch unexpected version changes or misconfigurations.
Track domain registration expiry via WHOIS. Get early warnings before a domain lapses and causes outages or hijacking risk.
Crawl pages and verify every outbound link returns a valid response. Surface 404s and dead anchors before your visitors do.
No agents to install. Seabhac probes your infrastructure from the outside, the way your users experience it.
Enter your URLs, domains, IPs, or mail servers. Choose check type, interval, and which regions to probe from.
Distributed runners across 12 regions continuously execute checks and stream results back in real time.
Receive alerts via Slack, PagerDuty, email, or webhook within 30 seconds of a failure being detected.
Checks run from multiple locations simultaneously, eliminating false positives and giving you geographic visibility.
Start free, scale as you grow. No per-seat fees, no hidden charges.
For personal projects and small sites.
For teams running production infrastructure.
For growing businesses with higher monitoring demands.
For large organisations with advanced needs.
No credit card required. Uptime, SSL, DNS & more — free, forever.
Create free account