Using DNS Tools

There are 3 valuable tools that you can use from your desktop to review DNS settings; host, nslookup and dig. By using these tools effectively, you will be able to analyze your DNS settings to find problems. This tutorial will show you how to use each of these valuable tools.

The host tool provides basic information about how DNS resolves. nslookup is used to query domain servers. It will run in two modes: interactive and non-interactive. The interactive mode allows you to query for various hosts and domains while the non-interactive mode just returns the requested information. dig stands for Domain Information Groper and gives you a way to retrieve a lot of useful information.

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