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DNS Deep Dive
Deep exploration of the Domain Name System — from basic resolution to DNSSEC, DoH, and running your own DNS server.
Intermediate
6 articles
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How DNS Works
Understand the DNS resolution process from your browser to the authoritative name server.
6 min readDNS Record Types Explained
A complete reference to DNS record types: A, AAAA, MX, NS, TXT, CNAME, SOA, and more.
7 min readDNS over HTTPS (DoH)
How DNS over HTTPS encrypts your DNS queries and how to enable it on your devices.
5 min readDNSSEC Explained: Securing the Domain Name System
Learn how DNSSEC uses cryptographic signatures to protect DNS responses from tampering and prevent cache poisoning attacks.
11 min readRunning Your Own DNS Resolver
Set up a private DNS resolver with Unbound for faster lookups, better privacy, and custom filtering on your network.
12 min readDNS Propagation & TTL: Why Changes Take Time
Understand how DNS caching, TTL values, and propagation delays affect domain changes and how to minimize downtime during migrations.
9 min read