Infrastructure, explained
How DNS, domains, certificates and monitoring actually work — and what to check first when they don’t. No vendor pitches, no listicles.
Earlier articles — Page 4
Certificates & SSLJul 6, 2026 · 5 min read
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 & DNSJul 2, 2026 · 5 min read
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.
All topics
Show all 45 topics
New articles, straight to your inbox
I’d like to receive product updates and new articles from InfraNest by email. I can unsubscribe at any time.
The dashboard behind the writing
Everything we write about here — domains, DNS, certificates, uptime — running in one place.
Free plan · No credit card required · Set up in minutes