CompTIA Network+ Video Mentor: DNS Server Configuration
- Part 1: Creating New Hosts
- Part 2: Creating Aliases
- Part 3: Configuring the DNS Server to Pass DNS Requests to the Internet
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The Domain Name System (DNS) resolves between host names and IP addresses. It can also resolve between domain names and IP or fully qualified domain names (FQDNs) and IP. Nowadays, it is centralized, automated, and can be dynamic. It takes the place of the flat text file hosts.txt. The following screencast, and ensuing article, cover three basic DNS labs:
- Part 1: Creating new hosts
- Part 2: Creating aliases
- Part 3: Configuring the DNS server to pass DNS requests to the Internet
This lab assumes that you have a Domain Controller/DNS server already installed. It can be the same computer or two separate computers that are part of the same domain. For more information on setting up a Domain Controller, see my website. (Free registration required.)
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Part 1: Creating New Hosts
- Verify that DNS is installed and has a forward lookup zone.
- Add the DNS snap-in to your MMC or open the DNS console from your Administrative Tools.
- Expand DNS, then expand the server (for example, 2003DC), and look at the forward lookup zones to make sure your domain is listed.
- Click your domain name to select it (for example, DPRO.COM). The host list should be displayed on the right window pane.
- Add a static entry.
- Right-click anywhere in the work area in the right window pane and choose New Host (A).
- Add the name of the computer. (DNS will automatically use the parent domain name if you only enter a NetBIOS name, which is actually known as a host name in this scenario!) It doesnโt have to be a real computer; you can add hosts that are not yet part of the network.
- Add the computerโs IP address, as shown in Figure 1.
- Click Add Host. You now have a static entry. Well done!
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Figure 1 Adding a host named PC1 with the IP address 10.254.254.9.