?? Blog & Updates
Understanding nslookup and dig: The Essential DNS Tools
Learn the practical differences between nslookup and dig with copy-paste examples.
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What Is DNS over HTTPS (DoH) and DNS over TLS (DoT)?
DoH vs DoT: what they encrypt, how they impact privacy, and where to enable them.
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EDNS Client Subnet: Why Google and Cloudflare Care About Your Location
How EDNS Client Subnet improves CDN routing and what it means for privacy.
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QUIC and HTTP/3: The Transport Protocol of the Future
QUIC and HTTP/3 fundamentals — why they’re faster and what changes in ops.
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DNSSEC Made Simple: How It Prevents Spoofing
DNSSEC basics with a clear mental model and a quick dig +dnssec demo.
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Zero Trust Networking: Beyond the VPN
Beyond VPNs: identity-aware access and ZTNA design patterns.
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AI in Network Monitoring: From SNMP Graphs to Predictive Alerts
From SNMP graphs to ML-assisted alerts and anomaly detection.
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The Rise of Encrypted SNI (ESNI) and Encrypted Client Hello (ECH)
What ECH/ESNI hides in TLS handshakes and how it affects inspection.
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IPv6 Only Networks: Lessons from Real Deployments
Real-world lessons from IPv6-only deployments using NAT64/DNS64.
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The Future of DNS: Oblivious DNS (ODoH)
ODoH separates client identity from DNS queries for stronger privacy.
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What Is DNS Propagation? A Simple Guide for New Site Owners
Understand what DNS propagation means and why new domains can take hours to resolve worldwide.
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CDN vs. Caching: When You Need Both and Why They’re Different
Clear breakdown of CDN and caching layers with everyday analogies.
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IPv6 in Plain English: Why It Matters in 2025
Why the internet is running out of IPv4 and how IPv6 solves it with examples.
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HTTP/2 and HTTP/3: How They Speed Up Your Website
Learn how multiplexing and QUIC cut page load times.
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Shared Hosting vs. VPS vs. Cloud: Picking the Right Home for Your App
Pros and cons of each option with simple cost/perf guidance.
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How to Read Ping, Jitter, and Packet Loss (Like a Human)
Interpret network quality metrics without overthinking them.
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SSL/TLS Certificates Explained Without the Jargon
DV vs OV vs EV, chains, and renewals — made easy.
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Backups 101: A 3–2–1 Strategy You Will Actually Follow
A simple plan for reliable, testable backups.
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What Is a Reverse Proxy? Real Uses with Nginx and Apache
Caching, security, blue/green deploys with a reverse proxy.
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Rate Limiting for APIs: Patterns that Save You Money
Token buckets, sliding windows, and practical limits.
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Intro to Web Accessibility: 7 Fixes That Help Everyone
Quick wins for keyboard, color, and screen-reader support.
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Database Indexes: The Fastest Upgrade You Can Make
Why the right index can beat “bigger hardware”.
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Deploying with Zero Downtime: Blue-Green vs. Rolling Updates
Choose the right strategy for your team’s risk profile.
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Basic Linux Hardening for Small Teams
Minimal steps that raise the bar without breaking workflows.
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Content Hashing: Why Your Static Files Should Carry Their Version
Bust caches predictably and deploy safer front-ends.
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How to Design Error Messages That Users Understand
Actionable errors beat cryptic codes and blame.
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The Difference Between Monitoring and Observability
Know what happened vs. why it happened — and how to act.
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Email Deliverability: SPF, DKIM, DMARC in 10 Minutes
Get mail to the inbox, not spam, with a quick setup.
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A Beginner’s Guide to Container Networking
Bridge, host, overlay — what they mean and when to use each.
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SEO Foundations for New Blogs: What Actually Moves the Needle
Straightforward SEO basics for beginners who want results without gimmicks.
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