DNS Engineering Handbook

A comprehensive technical handbook for DNS infrastructure and BIND9 operations.

Chapters

01 Introduction to DNS 02 DNS Resolution Process 03 DNS Protocol Fundamentals 04 Installing BIND9 05 BIND9 Architecture 06 named.conf Deep Dive 07 Zone Files Explained 08 DNS Record Types 09 Running Multiple Domains 10 Primary Secondary Servers 11 Split Horizon DNS 12 Internal vs External Mail Routing 13 Resolver Internals Linux 14 Resolver Internals FreeBSD 15 DNSSEC 16 TSIG Authentication 17 Zone Transfers 18 Dynamic DNS 19 DNS Caching 20 Performance Tuning 21 Hidden Primary Architecture 22 Scaling DNS Infrastructure 23 Monitoring DNS 24 Troubleshooting DNS 25 Large Production Designs

Welcome

This handbook demonstrates a full documentation site generated programmatically. It covers DNS architecture, resolver behavior, BIND9 configuration, zone file design, security extensions, and operational practices.