https://github.com/stefanpejcic/heimdall

Monitor domain WHOIS, SSL & Uptime with GitHub Actions 🕒
https://github.com/stefanpejcic/heimdall

domain domain-monitor domains expiration expiration-date github-actions github-issues ssl uptime whois

Last synced: 15 days ago
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Monitor domain WHOIS, SSL & Uptime with GitHub Actions 🕒

• Host: GitHub
• URL: https://github.com/stefanpejcic/heimdall
• Owner: stefanpejcic
• License: mit
• Created: 2025-10-03T21:50:30.000Z (8 months ago)
• Default Branch: main
• Last Pushed: 2026-05-18T20:26:04.000Z (16 days ago)
• Last Synced: 2026-05-18T20:38:59.997Z (16 days ago)
• Topics: domain, domain-monitor, domains, expiration, expiration-date, github-actions, github-issues, ssl, uptime, whois
• Language: HTML
• Homepage: https://github.com/stefanpejcic/heimdall/wiki
• Size: 48.2 MB
• Stars: 8
• Watchers: 0
• Forks: 1
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          

# [🗿 Heimdall](https://github.com/stefanpejcic/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](https://github.com/stefanpejcic/heimdall/issues/410))_

* ⚠️ HTTP status code for website is **>400** _([example](https://github.com/stefanpejcic/heimdall/issues/1432))_

* 🐌 Response time for website is **>1000ms** _([example](https://github.com/stefanpejcic/heimdall/issues/1433))_

* 🚨 IP address (A record) for domain changes _([example](https://github.com/stefanpejcic/heimdall/issues/1372))_

* 🚨 Nameservers for the domain are changed

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

Visit on github: [stefanpejcic/heimdall/](https://github.com/stefanpejcic/heimdall/wiki)