Personal engineering site of Asifur Rahaman — projects, technical writing, and learning notes on software, networks, and systems.https://asifurrahaman.com/https://asifurrahaman.com/blog/building-an-ai-network-mapper/https://asifurrahaman.com/blog/building-an-ai-network-mapper/A deep dive into SentinelAI — a defensive network mapper that ingests Nmap XML, projects it into a Neo4j graph, and computes attack paths without ever touching an exploit.Mon, 31 Aug 2026 00:00:00 GMThttps://asifurrahaman.com/blog/understanding-dns/https://asifurrahaman.com/blog/understanding-dns/How a domain name becomes an IP address: names, resolvers, records, delegation, and the journey behind a simple web address.Sun, 30 Aug 2026 00:00:00 GMT