A complete guide to VPS servers: what a virtual private server is, how KVM virtualization works, how much a VPS costs and how to size vCPU, RAM and disk for your project.
The DNS system (Domain Name System) translates domain names into IP addresses. We cover server types, query types, DNS records, zones, caching and DNSSEC security.
A DNS zone is the part of the DNS system holding one domain's records. Learn about A, MX and CNAME records, how a zone works, propagation time and managing it in DirectAdmin.
A domain redirect makes a different website or domain appear under your address. See how to set one up in DirectAdmin and which type (301/302, FRAME/REDIRECT) to pick.
A KVM switch links one keyboard-monitor-mouse set to many computers. We explain how it works, the types and connectors, and how to choose the right model.
An RBL is a real-time blocklist of IP addresses known for sending spam. Learn how it works, how to check your own IP, and how to get it delisted when email stops arriving.
Hosting is a service that gives you space on a server for your website, email, and files, available online 24/7. See how it works, the types of hosting, and how to choose one for your business.
A domain is the unique internet address that a website and email run under. We explain its structure, the types of domains, how DNS works and how it differs from hosting.
DirectAdmin is a graphical panel for managing hosting and servers in a browser. We explain its features, access levels, differences from cPanel and how to log in.
A practical guide: how to create a MySQL database on hosting, grant a user permissions, find the host address for connecting, and manage the database in phpMyAdmin.