If you have changed the standard port 53 to another for increased security, you can make a dig command to check if it is working correctly. You can try it directly with your domain, by simply replacing with your domain. Let’s start with a simple example to understand it. Pacman -S bind-tools Understanding the dig Other Ubuntu-based Linux distributions you can use the following command: In case you don’t have it, you will get the following message: Many new Linux distros have it pre-installed. If you have it, your computer will show a message similar to this one: You can do that by opening the terminal and writing dig -v.
How to install the digįirst, let’s check if you already have the dig command installed. EU, and in the end you will get the IP address from the authoritative server for the domain you were checking. The request will go to the top-level domain like. No problem, your query will go on a search for the root server. It is possible that it doesn’t know it either.
The common solution is that your query will be responded from the recursive servers of your internet provider. If it doesn’t have it, the request must be answered from another recursive server.
The request will first check if your router has the information of many sites’ addresses in its cache. If you want to see the A record, you want to know the IP address of a particular domain.
How does Dig Command work?ĭig Command works the same way as a typical DNS query. Many old laptops can get a new life as a diagnostic tool. For this demonstration, we will use a random old laptop with the latest version of Linux Mint (19.1). You can try it on Linux, Mac OS, and Windows. You can use it to troubleshoot your DNS and make sure everything works fine. Dig command (Domain Information Groper) is one of the most popular DNS testing tools.
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