The Nxeon Blog
Guides for people who run their own servers.
Straight-talking tutorials and comparisons on VPS hosting, game servers, Linux and security. No fluff, just what actually works. 346 guides from the team that runs the servers.
Search results
12 guides for “wildcard” · Clear search
How to Point a Subdomain to a Different App or Port
Run several apps on one VPS, each on its own subdomain — api.yourdomain.com, app.yourdomain.com — using a reverse proxy. DNS plus the Nginx and Caddy configs.
How to Set Up a Catch-All Email Address
A catch-all captures mail sent to any address at your domain — even ones that don't exist. Here's how to set one up, the real risks, and smarter alternatives.
How to Create a Staging Subdomain for Your Site
Test changes safely on staging.yourdomain.com before they hit production. Here's the DNS, the web-server config, the SSL, and how to keep bots and Google out.
How to Set Up a CAA Record for Your Domain
A CAA record tells certificate authorities which of them are allowed to issue SSL certs for your domain — a simple, powerful guard against mis-issuance.
How to Set Up a Wildcard Subdomain on a VPS
A wildcard subdomain catches every subdomain at once — ideal for multi-tenant apps and dynamic subdomains. Here's the DNS record, the wildcard SSL cert, and the Nginx config.
How to Set Up an A Record for Your Server
The A record is the single most important DNS record for pointing a domain at a server. Here's exactly what it does, how to add one, and how to test it.
How to Set Up DNS on GoDaddy for a VPS
Point a GoDaddy domain at your VPS with the right A and CNAME records. Clear steps through GoDaddy's DNS Management panel, including its @ and Nameserver quirks.
How to Set Up DNS on Namecheap for a VPS
Point a Namecheap-registered domain at your VPS with the correct A and CNAME records, using Namecheap's BasicDNS panel — no jargon, just the exact values.
How to Get a Free SSL Certificate with Certbot
Secure any site with a free, auto-renewing Let's Encrypt certificate using Certbot on Ubuntu 24.04 — for Nginx or Apache.
Wildcard DNS and catch-all subdomains explained
One record to handle every subdomain? That's a wildcard. Here's how *.example.com works, when to use it, and the pitfalls to avoid.
How to get free SSL for a custom domain
The padlock is free and automatic with Let's Encrypt. Here's how HTTPS certificates work and how to secure your custom domain at no cost.
Subdomains explained: what they are and how to use them
blog.example.com, app.example.com, shop.example.com — subdomains let one domain host many things. Here's how they work and when to use one.
Deploy your first server in under a minute.
Creating an account is free and takes no card details. Every guide here runs on a Nxeon VPS or game server.