DNS and Hosting — Study Resources & PYQs

Curated resources, past papers and PYQs for DNS and Hosting.

Study resources

What is DNS? | How DNS Works (Article) — Cloudflare's widely-cited, plain-English explanation of how domain names resolve to servers.
DNS Explained in 100 Seconds (Video) — Fireship's punchy, well-loved explainer on how DNS resolves domain names to IP addresses.
How DNS Works Comic (Article) — A fun, memorable visual story and comic explaining root servers, TLDs, and DNS lookup chains.