Software⏱️ 2 min read📅 2026-06-11

How to Fix: Cannot connect to the internet. nslookup outputs “;; communications error to 127.0.0.53#53: timed out”

DNS issue with nslookup output indicating a communication error to 127.0.0.53#53: timed out.

Quick Answer: Try resetting the DNS cache by running `sudo kill -9 $(pgrep dnsmasq)` and then restart the VPN client.

The error ';; communications error to 127.0.0.53#53: timed out' indicates that there is an issue with DNS resolution, which prevents the device from connecting to the internet. This error affects users who rely on their devices for online activities.

This error can be frustrating as it blocks access to various online services and applications, making it difficult to perform daily tasks. In this troubleshooting guide, we will walk through the steps to resolve this issue.

⚠️ Common Causes

  • The primary reason for this error is that the device's DNS resolver is not functioning correctly. The '127.0.0.53' address is a default DNS server used by many Linux distributions, but it may be experiencing issues or configured incorrectly.
  • An alternative cause could be a misconfigured network interface or a conflict with other networking services on the system.

🛠️ Step-by-Step Verified Fixes

Resetting the DNS resolver

  1. Step 1: Step 1: Update the /etc/resolv.conf file to use the default DNS server. Open the terminal and run the command `sudo nano /etc/resolv.conf` and update the 'nameservers' line to include '127.0.0.53'. Save and exit the editor.

Alternative Advanced Fix

    ✨ Wrapping Up

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