Cloud Lab-1 : How To Install AD/DNS Server For Cloud (Part 2)

Cloud-LAB-1 (Part-2) Tasks

In this Lab Part-2. we will perform following tasks

  1. Configure Forward DNS Zones
  2. Configure Reverse DNS Zones
  3. Test DNS(name Resolution) Working

if you red my Cloud Lab-1 (Part-1) . then you would knew, i have already installed DNS server with my Active Directory installation. now its time to test and configure some DNS Settings.

To verify DNS. Go to control panel -> administrative Tools -> Click “DNS”
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Configuring Forward DNS Zone

As you can see by expanding forward lookup zone. click vmlab.com zone. You can see active directory installation process automatically add his machine forward DNS entry.

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Configuring Reverse DNS Zone

By default there is no reverse lookup zone configured. We have to configure it before created the reverse DNS entries.To create a reverse lookup zone for vmlab.com. Right click on reverse lookup zone -> select “New Zone”

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Click “Next”

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Leave as default. This is our first DNS server so it is our primary zone and we want to store our zone settings in active directory-> click “Next”

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Leave as default-> click “Next”

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Since we have only IPV4 in our environment. So choose “IPv4 reverse lookup zone” -> click “Next”

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Enter Network ID. It should be the first three octet of you IP scheme.in my lab I am using 192.168.150.0/24 network IP scheme for my private network. So I have entered “192.168.150”-> Click “Next”

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Leave as default to allow only secure dynamic updates -> Click “Next”

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Review the configuration summary. Click “Finish”

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As you may see in below picture reverse lookup zone has configured.

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Reverse DNS Entry

Now add reverse DNS entry for our domain controller machine.Right click on zone -> select “New Pointer (PTR)”

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Enter the IP address of you domain hosts and browse your forward zone record for cloud-ad. Click “OK”

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Click “OK”

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Click on the reverse lookup zone folder to verify the newly created PTR record.

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VM Settings for DNS

Now configure active machine DNS Setting.it should point be the IP of our DNS Server.

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Test DNS(name Resolution) Working

Open cmd prompt and run below cmd.

  • Ping FQDN name of the host to verify the forward lookup zone ( ping cloud-ad.vmlabc.om -4)
  • Ping Machine IP address with “–a” option to verify the reverse lookup zone ( ping –a 192.168.150.1)

*NOTE: “-4” flag with forward lookup zone tells only ping IPv4 IP*

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