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Managing Mission - Critical Domains and DNS: Demystifying nameservers, DNS, and domain names
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About Managing Mission - Critical Domains And
Gain comprehensive insights into the domain name ecosystem, together with exploring the different operations strategiesKey FeaturesManage DNS-name server infrastructure and risksGain practical insights into types of nameservers, DNS queries and more Discover expert advice from an industry veteran based on real-world experienceBook DescriptionManaging your organization's naming architecture and mitigating risks within complex naming environments is very important. This book will go beyond looking at ‘how to run a nameserver' or ‘how to DNSSEC sign a domain', and focus on the entire spectrum of naming - from external factors that exert influence on your domains to all the internal factors that you need to consider when operating your Domain Name System (DNS).You'll gain comprehensive insights into the world of naming. Starting from understanding the role of registrars and how they interact with registries, you'll then move on to what ICANN does and its significance. Once you have gained a solid understanding of the fundamentals of the domain name ecosystem, you'll be taken through all aspects of DNS operations in the later chapters. Whether your organization operates its own nameservers or utilizes an outsourced vendor, or both, you'll examine the complex web of interlocking factors that must be taken into account but are too frequently overlooked.By the end of this book, you'll be well-versed with the different aspects of DNS nameservers and have gained the skills to effectively manage mission-critical servers.What you will learnUnderstand the anatomy of a domain - how a domain is the sum of both its DNS zone and its registration data, and why that mattersExplore the domain name ecosystem - the role of registries, registrars and oversight bodies and their effect on your namesGet up to speed with how DNS queries work, along with exploring queries and responses including debugging techniques to identify problemsDiscover alternative nameserver daemons, numbering considerations, and deployment architecturesDelve into DNS use cases and understand the right way to perform basic operations such as domain transfers, large scale migrations, GeoDNS, and Anycast DNSLearn how to secure your domains, focusing on various aspects of security, right from registrar vendor selection through to DNSSEC and DDoS mitigation strategiesWho This Book Is ForThis book is for system administrators, webmasters, IT consultants, developers or anyone responsible for maintaining an organization's core DNS.Table of ContentsThe Domain name EcosystemCommon PitfallsDomain Policies you must be aware ofThe Two Major Roles of Nameservers DNS Queries In Action Types and Uses of Common Resource Records Quasi- Record Types Common Nameserver Software Debugging without tears: DNS Diagnostic Tools Domain Operations & DNS Use Cases Nameserver Considerations Securing your Domains and DNS DNS and DDoS Attacks IPv6 Considerations IPv6 Considerations
