About

System Engineer focused on Linux infrastructure, network security, and open-source technology. I build systems that are transparent, reproducible, and designed to work without hand-holding.

• Working on DNSGuardian – privacy-first DNS infrastructure with RPZ filtering
• Next up: exploring Matrix as a federated communication layer
• Interested in: DNS · PKI · VPN architecture · digital autonomy · open infrastructure

Active Stack

Networking & Security

DNS (PowerDNS · dnsdist · BIND) · IPv4/IPv6 dual-stack · DDNS · Reverse Proxy · MediaWiki

Learning & Building

Projects

DNSGuardian

Privacy-first DNS resolver – no logging, no censorship, aggressive blocking of Ads, Tracking, Telemetry, Phishing, Malware, Scam and more.

Primary and secondary authoritative PowerDNS servers with redundant recursive resolvers and RPZ-based domain filtering (Hagezi blocklists). Full IPv4/IPv6 dual-stack. Users can request domain whitelisting via dnsguardian.ch.

PowerDNS dnsdist Nginx IPv6 DDNS

→ gitlab.com/dnsguardian

Contact

• Email: rayla@norell.ch
• OpenPGP: keys.openpgp.org
• Languages: DE / EN