# Linux nameservers and DNS Resolution

DevFeed: [Linux nameservers and DNS Resolution](<https://devfeed.tech/articles/linux-nameservers-and-dns-resolution-20869.md>)

Original publisher: [Read original article](<https://linuxblog.io/linux-nameservers-dns-resolution/>)

Author: Hayden James

Published: 2026-08-10T10:56:20Z

Content type: tutorial

Language: en

Sources: [Hayden James](<https://devfeed.tech/sources/hayden-james.md>)

Topics: [Linux](<https://devfeed.tech/topics/linux.md>), [systemd](<https://devfeed.tech/topics/systemd.md>), [Network](<https://devfeed.tech/topics/network.md>), [systems](<https://devfeed.tech/topics/systems.md>)

Tags: [blog](<https://devfeed.tech/tags/blog.md>), [config](<https://devfeed.tech/tags/config.md>), [dns](<https://devfeed.tech/tags/dns.md>), [errors](<https://devfeed.tech/tags/errors.md>), [guide](<https://devfeed.tech/tags/guide.md>), [hosting](<https://devfeed.tech/tags/hosting.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [linux](<https://devfeed.tech/tags/linux.md>), [network](<https://devfeed.tech/tags/network.md>), [security](<https://devfeed.tech/tags/security.md>), [server](<https://devfeed.tech/tags/server.md>), [sysadmins](<https://devfeed.tech/tags/sysadmins.md>), [systemd](<https://devfeed.tech/tags/systemd.md>)

## AI overview

A practical guide to DNS resolution on Linux, covering how /etc/nsswitch.conf and /etc/resolv.conf determine hostname lookup behavior, how systemd-resolved manages resolver configuration, and how to inspect and troubleshoot nameserver failures.

## Source excerpt

A practical guide to DNS resolution on Linux: how /etc/resolv.conf, systemd-resolved, and dig work together, and how to troubleshoot common nameserver failures. Continue reading...