Welcome to steltner.cc — the domain behind my personal mail server and an evolving hub for self-hosted, privacy-respecting infrastructure. This space is a hands-on example of digital sovereignty in practice — cloud and on-prem services, thoughtfully run and personally maintained.
Building secure, private, and sovereign digital services in my homelab and cloud infrastructure. Taking control of my data and digital presence.
Running a secure, privacy-focused mail server with anti-spam protection and encrypted communication.
Self-hosted file synchronization and sharing with end-to-end encryption and full data control.
24/7 infrastructure monitoring with alerting, log aggregation, and performance analytics.
Docker-based microservices architecture with orchestration, scaling, and automated deployments.
Secure remote access through self-hosted VPN with multi-factor authentication and network segmentation.
Automated, encrypted backups with off-site replication ensuring data durability and disaster recovery.
Custom DNS with ad-blocking, local resolution, and network-wide privacy protection.
Infrastructure as code with automated provisioning, configuration management, and CI/CD pipelines.
Comprehensive monitoring stack with Uptime Kuma for service monitoring, Beszel for system metrics, and Gotify for real-time notifications. Track uptime, performance, resource usage, and receive immediate alerts for any infrastructure issues across homelab and cloud deployments.
View monitoring stackResponse time (ms)
Daily backup finished successfully
2 min agohomelab-01
@xanten.cc
3 min ago
📧 Mail queue: 0 | DKIM: ✅ | SPF: ✅ | DMARC: ✅
7 min ago
🔧 Matrix federation test successful with matrix.org
Self-hosted Matrix server for encrypted messaging and Mailcow for professional email services. Complete control over communications with end-to-end encryption, federation capabilities, and enterprise-grade email security without relying on big tech surveillance.
Learn about communication stackUnderstanding the importance of digital sovereignty and taking control of your digital infrastructure for privacy, security, and independence.
Your data stays under your control. No third-party access, no data mining, no unexpected policy changes.
Reduce long-term costs by avoiding subscription fees and vendor lock-in while gaining more features.
Develop deep technical knowledge and problem-solving skills through hands-on infrastructure management.
Interested in building your own digital infrastructure? Let's discuss self-hosting, privacy, and digital sovereignty. Connect via the secure email server running on this domain.
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