Exercise 49: Arkansas University

Install and configure the DNS service/daemon by following these steps:

1.	Start YaST as the root user.
2.	Choose Network Services and then DNS Server. A message will appear telling you that bind needs to be installed.
3.	Click Continue to install the bind package.
4.	On the Forwarder Settings page, shown in Figure 4.50, click Next. Figure 4.50. The Forwarder Settings page.
5.	On the DNS Zones page, set the Zone Name to dstechnical.com and click Add.
6.	For the reverse lookup zone, enter 0.168.192.in-addr.arpa for the Zone Name and click Add again.
7.	Click Edit Zone and click on the NS Records tab, as shown in Figure 4.51. Figure 4.51. Click on the NS Records tab.
8.	Type lab1.dstechnical.com in the Name Server to Add field and click Add.
9.	Click the SOA tab. The TTL field should show the default of 2 days. Change that to 3 days. Go to the Records tab and add an A record for lab1 and one for dstechnical.com so that the server name and the domain name resolve to 192.168.0.14.
10.	Click OK.
11.	Go back to the DNS Zones page, highlight the reverse lookup entry, and click Edit Zone; then click on the NS Records tab.
12.	Type lab1.dstechnical.com in the Name Server to Add field and click Add.
13.	Click the SOA tab. The TTL field should show the default of 2 days. Change that to 3 days.
14.	Click on the Records tab and enter the Reverse FQDN for the server (14.0.168.192.in-addr.arpa) with a Type of PTR. Set the value to lab1.dstechnical.com.
15.	Click Add. Click OK. Click Finish.

You will now need to start the named daemon manually. This can be done by opening a terminal prompt, authenticating as root with su , and then giving the command rcnamed start at the terminal prompt.

TIP

To validate the configuration, run the following commands:

dig lab1.dstechnical.com

dig dstechnical.com

host 192.168.0.14