Dns articles

Last change: 2025-01-08

Dig is one of the primary tools when it comes to DNS. Resolve names, perform queries, troubleshooting any issues related to DNS. It's always DNS!

Last change: 2025-01-06

Looking for all DNS requests made on a Linux system? Tools like dnstop, firejail, and tcpdump can help to find what is being queried.

Last change: 2025-01-10

The command systemd-analyze helps analyzing systemd components to optimize the system including performance and security.

Last change: 2025-01-06

Show IP address information on Linux with the help of the ip command. Learn which subcommands to use to query the relevant details.

Last change: 2025-01-06

Show the IP address of your internet connection using the dig or the curl command. Learn which options can be used to find out this information.

Last change: 2025-01-06

Find the active DNS server being used by reviewing the network configuration, including common commands to query this information.

Last change: 2025-01-06

Linux with systemd might doing DNS resolving using its resolver daemon. Learn how to inspect and clear the DNS cache when using the systemd resolver daemon.

Last change: 2025-01-10

The command resolvectl provides details about systemd-resolved. Discover the available options for the name resolution daemon on Linux systems.

Last change: 2025-01-06

Learn how to query the Time To Live (TTL) for a DNS record by using the dig tool on a Linux systems, including any relevant options.

Last change: 2025-01-06

Small things have a big impact. Resolving issues with localhost or system hostname. Here is how to check your /etc/hosts file.

Last change: 2025-01-06

Linux DNS configuration is usually done during the installation of the system. With proper configuration and tuning, you gain performance and stability.