How to Flush DNS Cache

Prerequisites

Before flushing DNS cache, make sure you have:

• SSH access to your VPS
• Root or sudo privileges

For systemd-resolved systems

Connect to your VPS:

ssh hxroot@YOUR_SERVER_IP -p 22

sudo systemd-resolve --flush-caches

Or:

sudo resolvectl flush-caches

Check if systemd-resolved is Running

sudo systemctl status systemd-resolved

Restart DNS Resolver

sudo systemctl restart systemd-resolved