The article provides a guide on configuring DNS on Hostinger by accessing the DNS Zone Editor in the dashboard and setting up records like A type with a specific Name and pointing it to a VPS IP address. It also explains how to access the VPS via SSH by using the SSH Access Tab in the VPS Dashboard and connecting through a terminal with the command ‘ssh root@your-vps-ip’. Additionally, it covers preparing the VPS environment by updating the VPS, installing Node.js using NVM, and setting up Git, PM2, and Nginx through specific commands like ‘sudo apt-get update’ and ‘npm i -g pm2’.