March 2005
Intermediate to advanced
698 pages
19h 13m
English
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Chapter 13. Domain Name System (DNS)
Introduction
The Domain Name System (DNS) is one of the most critical services on your network. When DNS isn’t working, users are unable to browse the web, send or receive email, and, in the case of Active Directory, log on to a domain. Both clients and domain controllers use DNS to locate domain controllers in a particular site or that serve a particular function. Fortunately, the Microsoft DNS Server has steadily improved over the years to the point where it is robust and reliable.
DNS has been around since the early 1980s, so it is a mature protocol. Rarely does DNS change in a significant way. However, Active Directory introduced an innovative change to how DNS data is stored. Instead of using the antiquated primary and secondary zone transfer method to replicate zone data between servers, Active Directory-integrated zones store zone data in Active Directory and take advantage of the same replication process domain controllers use to replicate data. This adds multimaster capabilities to DNS that current standards do not allow for. The one catch with Active Directory-integrated zones is that the DNS Server must run on a domain controller. Overloading DNS Server responsibilities on your domain controllers may not be something you want to do if you plan on supporting a large volume of DNS requests, but it is definitely something to consider for medium to small sites.
For more on the Microsoft DNS Server beyond what this chapter covers, I recommend ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.