🗿 Heimdall

An open-source WHOIS, DNS, Uptime monitor and status page, fully powered by GitHub Actions and GitHub Pages.

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Easily monitor your domains and get alerts when:

• ⏳ Domain (WHOIS) is set to expire within 30 days
• 🔓 SSL certificate expires soon (example)
• ⚠️ HTTP status code for website is >400 (example)
• 🐌 Response time for website is >1000ms (example)
• 🚨 IP address (A record) for domain changes (example)
• 🚨 Nameservers for the domain are changed

relies entirely on GitHub Actions and GitHub Issues - no external services required.

Visit on github: stefanpejcic/heimdall/