Domains & DNS
Wie DNS, Domains, Zertifikate und Monitoring wirklich funktionieren — und was du zuerst prüfst, wenn es klemmt. Keine Verkaufsargumente, keine Listicles.
Domains & DNS21.08.2026 · 6 Min. Lesezeit
What is DNSSEC and should you enable it?
DNSSEC stops attackers from forging DNS answers, but it's opt-in everywhere and easy to misconfigure. Here's the threat it solves, the trade-offs, and when to turn it on.
Domains & DNS14.08.2026 · 4 Min. Lesezeit
Why infrastructure inventory is important (and what to track)
An unmanaged domain, a forgotten server, or an expired certificate can take down production. Here's why infrastructure inventory is the foundation of reliable, secure operations.
Domains & DNS31.07.2026 · 6 Min. Lesezeit
DNS propagation explained: why changes take time and how to check
DNS propagation isn't a global sync — it's TTL-based caching. Here's what actually controls the delay and how to check a change safely.
Domains & DNS29.07.2026 · 5 Min. Lesezeit
Cloudflare DNS not updating: causes and how to fix it
Changed a DNS record in Cloudflare and nothing seems different? Here's how to tell a caching delay apart from a real config problem, and how to fix each.
Domains & DNS27.07.2026 · 7 Min. Lesezeit
20 DNS security checks every domain should pass
A practical DNS security checklist covering DNSSEC, CAA, SPF/DKIM/DMARC, zone transfers and nameserver hygiene — with commands you can run today.
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.
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.
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.
In Sekunden startklar
Bring deine gesamte Infrastruktur in ein modernes Dashboard.
Kostenloser Plan · Keine Kreditkarte nötig · In Minuten eingerichtet