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Mastering Active Directory, Third Edition - Third Edition

You're reading from  Mastering Active Directory, Third Edition - Third Edition

Product type Book
Published in Nov 2021
Publisher Packt
ISBN-13 9781801070393
Pages 780 pages
Edition 3rd Edition
Languages
Concepts
Author (1):
Dishan Francis Dishan Francis
Profile icon Dishan Francis

Table of Contents (22) Chapters

Preface 1. Active Directory Fundamentals 2. Active Directory Domain Services 2022 3. Designing an Active Directory Infrastructure 4. Active Directory Domain Name System 5. Placing Operations Master Roles 6. Migrating to Active Directory 2022 7. Managing Active Directory Objects 8. Managing Users, Groups, and Devices 9. Designing the OU Structure 10. Managing Group Policies 11. Active Directory Services – Part 01 12. Active Directory Services – Part 02 13. Active Directory Certificate Services 14. Active Directory Federation Services 15. Active Directory Rights Management Services 16. Active Directory Security Best Practices 17. Advanced AD Management with PowerShell 18. Hybrid Identity 19. Active Directory Audit and Monitoring 20. Other Books You May Enjoy
21. Index

Conditional forwarders

In DNS servers, we use DNS "forwarders" to forward DNS queries to external DNS servers when it can't resolve them internally. Usually it will be the ISP's public DNS servers. We also can use public DNS servers from a third party such as Google as a forwarder:

Figure 4.9: DNS forwarders

If the forwarders are not responding, the DNS server will use "Root Hints" to resolve the query.

Forwarders and Root Hints are used to resolve external DNS queries in general. But if we need to point DNS queries for a specific domain to a specific DNS server/s we can do that using "conditional forwarders." As an example, there is a partner company with the rebeladmin.net domain name. Their DNS server is 10.0.0.5. These two organizations are connected together via a VPN connection. So if any user in the rebeladmin.com domain tries to resolve the hostname in rebeladmin.net, it should forward to 10.0.0.5. To do that we can...

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