Infrastruktur, erklärt
Wie DNS, Domains, Zertifikate und Monitoring wirklich funktionieren — und was du zuerst prüfst, wenn es klemmt. Keine Verkaufsargumente, keine Listicles.
Frühere Artikel — Seite 2
Server & Cloud22.07.2026 · 6 Min. Lesezeit
Hetzner vs DigitalOcean vs AWS: price, performance and features compared
An even-handed comparison of Hetzner, DigitalOcean and AWS on pricing, instance types, bandwidth, SLAs and Kubernetes — so you can pick the right one for the job.
Monitoring & Status20.07.2026 · 5 Min. Lesezeit
Website monitoring explained: uptime, performance and SSL checks
A practical breakdown of uptime, performance and SSL/expiry monitoring — what each one actually catches, how often to check, and where they overlap.
Domains & DNS19.07.2026 · 5 Min. Lesezeit
How to catch an expiring domain: drop-catching & backorders explained
What really happens when a domain expires, how drop-catching works, and when to use a backorder vs your own registrar — a practical guide to catching the names you want.
Zertifikate & SSL17.07.2026 · 6 Min. Lesezeit
SSL certificates explained: what they are and how the chain of trust works
A plain-English guide to how SSL/TLS certificates work, why the chain of trust matters, and how DV, OV and EV validation actually differ.
E-Mail & Zustellbarkeit15.07.2026 · 5 Min. Lesezeit
How to create a secure SPF record
Learn how to write an SPF record that actually stops spoofing, without tripping the 10-lookup limit that breaks most real-world setups.
Automatisierung13.07.2026 · 5 Min. Lesezeit
How to automate DNS, SSL and server tasks across every provider
A practical guide to automating DNS changes, certificate renewals and server actions across multiple providers, plus where centralised management beats juggling five dashboards.
Domains & DNS08.07.2026 · 4 Min. Lesezeit
Complete DNS record guide: A, AAAA, CNAME, MX, TXT, NS & CAA
A practitioner's reference to the core DNS record types — A, AAAA, CNAME, MX, TXT, NS and CAA — with a real example and the standards behind each.
Zertifikate & SSL06.07.2026 · 5 Min. Lesezeit
Let's Encrypt vs commercial SSL certificates: which do you actually need?
A practical, even-handed comparison of Let's Encrypt and paid SSL/TLS certificates, covering validation levels, lifetimes, warranties and when each makes sense.
Domains & DNS02.07.2026 · 5 Min. Lesezeit
How DNS resolution works: the root-to-authoritative walk explained
A practical walkthrough of DNS resolution: recursive vs authoritative resolvers, the root→TLD→authoritative query path, and how caching affects speed.
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