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DNS and DHCP Operations: Design, Diagnose, and Maintain Reliable Naming and Address Assignment
Paperback
Computer SecuritySystem Administration
Publisher: Independently Published
Published: Sep 10 2026
Pages: 170
Weight: 0.47
Height: 0.43 Width: 6.00 Depth: 9.00
Language: English
When DNS or DHCP fails, the first complaint rarely says DNS or DHCP. It says the application is down, the network is broken, users cannot connect, or a service suddenly disappeared.
DNS and DHCP Operations gives network administrators, infrastructure engineers, system professionals, and technical architects a practical framework for designing, diagnosing, securing, and maintaining the naming and address-assignment services modern networks depend on.
Rather than treating DNS as a simple hostname-to-address table or DHCP as a basic lease server, Rion Frost shows how these protocols function as critical infrastructure control planes. You will learn how authority, caching, delegation, leases, relays, client state, security policy, automation, and failure domains interact-and how to identify the real source of a problem instead of troubleshooting by guesswork.
Inside, you will discover how to work confidently with authoritative and recursive DNS, resource records, TTLs, zone transfers, DNSSEC, TSIG, split DNS, DNS over TLS, DNS over HTTPS, DNS over QUIC, DHCP scopes and leases, relay agents, DHCPv6, SLAAC, Router Advertisements, prefix delegation, dynamic DNS, IPAM, and high-availability architectures.
You will also learn how to troubleshoot real operational failures by tracing state from the client outward, distinguish DNSSEC failures from ordinary resolution problems, diagnose address-pool exhaustion and rogue DHCP services, design resilient multi-site infrastructure, and use logs, packet captures, metrics, synthetic monitoring, and configuration history as evidence.
The book also explores infrastructure as code, GitOps, cloud DNS, Kubernetes service discovery, IPv6-first environments, SVCB and HTTPS records, privacy-aware resolver architecture, and responsible AI-assisted operations.
With realistic scenarios, diagnostic frameworks, practical commands, architecture diagrams, security guidance, and a structured further-learning path, DNS and DHCP Operations helps you move from basic administration to disciplined operational control.
Build naming and addressing infrastructure that remains observable, secure, explainable, and dependable when the network changes-and when something goes wrong.
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