Book Image

Mastering Active Directory, Third Edition - Third Edition

By : Dishan Francis
5 (2)
Book Image

Mastering Active Directory, Third Edition - Third Edition

5 (2)
By: Dishan Francis

Overview of this book

Mastering Active Directory, Third Edition is a comprehensive guide for Information Technology professionals looking to improve their knowledge about MS Windows Active Directory Domain Service. The book will help you to use identity elements effectively and manage your organization’s infrastructure in a secure and efficient way. This third edition has been fully updated to reflect the importance of cloud-based strong authentication and other tactics to protect identity infrastructure from emerging security threats. Mastering Active Directory, Third Edition provides extensive coverage of AD Domain Services and helps you explore their capabilities as you update to Windows Server 2022. This book will also teach you how to extend on-premises identity presence to cloud via Azure AD hybrid setup. By the end of this Microsoft Active Directory book, you’ll feel confident in your ability to design, plan, deploy, protect, and troubleshoot your enterprise identity infrastructure.
Table of Contents (22 chapters)
20
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21
Index

DNS essentials

In a Windows Server environment, the DNS service can be run as an individual service or as an AD-integrated service. Either way, core DNS components, technology, and terms will be the same for both scenarios.

DNS records

The DNS database holds various types of resource records. In an AD-integrated DNS setup, most of these records will be created automatically when adding resources to the domain, changing settings in resources, or promoting/demoting domain controllers (SRV records, A records, and AAAA records). However, in an infrastructure, some resource records may still need to be created manually in DNS servers (static).

Start of authority record

Each DNS zone must have a start of authority (SOA) record, and it is created when a zone is created for the first time. This record provides lots of general information for the DNS zones, such as:

  • Primary server: The best DNS source for the zone.
  • Responsible person: The email address of the...