Dnsmasq on My IT Journal

Dnsmasq on My IT Journal https://my-it-blog.netlify.app/tags/dnsmasq/ Recent content in Dnsmasq on My IT Journal Hugo en-us Tue, 05 May 2026 00:00:00 +0000 DNS Lab - Dnsmasq, Client resolver, Caching https://my-it-blog.netlify.app/posts/dns-server/ Tue, 05 May 2026 00:00:00 +0000 https://my-it-blog.netlify.app/posts/dns-server/ <h1 id="-dns-lab">🧪 DNS Lab</h1> <h2 id="-objective">📌 Objective</h2> <p>Understand DNS from a systems perpective</p> <hr> <h2 id="-environment">⚙️ Environment</h2> <ul> <li>Virtualization: VirtualBox</li> <li>OS: ( 1 DNS Server VM + 1 Client VM)</li> </ul> <hr> <h2 id="-lab-network-topology">🛠️ Lab Network Topology</h2> <h3 id="-phase-1--direct-dns-no-cache">🧩 Phase 1 — Direct DNS (No Cache)</h3> <p>Client VM -> dnsmasq (192.168.10.10)</p> <p>Used for:</p> <ul> <li>Break #1 (Wrong DNS Server)</li> <li>Break #2 (Wrong DNS Record)</li> </ul> <hr> <h3 id="-phase-2--direct-dns-no-cache">🧩 Phase 2 — Direct DNS (No Cache)</h3> <p>Clint VM -> systemd-resolved (127.0.0.53) [CACHE] -> dnsmasq (192.168.10.10) [DNS SERVER]</p>