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

30 guides for “subdomains” · Clear search
Security · 5 min read ·

How to Secure a Self-Hosted WordPress Site

WordPress powers a huge share of the web, which makes it a huge target. Harden your self-hosted install at the server, app, and login layers.

Domains · 6 min read ·

How to Set Up Custom Nameservers for Your Domain

Point your domain at the nameservers of Cloudflare, your host, or your own DNS server — the switch that hands DNS control to the right place. Here's how, safely.

Networking · 5 min read ·

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.

Email · 5 min read ·

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.

Domains · 6 min read ·

What Is a Glue Record and When Do You Need One?

Glue records solve a chicken-and-egg problem in DNS when your nameservers live on the domain they serve. Here's the plain-English explanation and when you need them.

Domains · 5 min read ·

How to Move Your Domain's DNS to Cloudflare

Migrate your DNS to Cloudflare for faster changes, a free CDN and DDoS protection — without downtime. The exact order of steps so no record is dropped.

Domains · 5 min read ·

How to Set Up a Subdomain for a Game Server

Give players a memorable address like play.yourdomain.com instead of a raw IP and port — with the right DNS record, and an SRV record to hide the port entirely.

Domains · 5 min read ·

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.

Email · 6 min read ·

How to Stop Your Emails Going to Spam

A practical checklist for getting your email out of the spam folder — authentication, reputation, content and infrastructure — with the exact fixes that move the needle.

Email · 6 min read ·

How to Set Up SPF, DKIM and DMARC Step by Step

The three DNS records that decide whether your email lands in the inbox or the spam folder. Here's exactly what to publish, in the right order, with real values.

Domains · 5 min read ·

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.

Domains · 5 min read ·

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.

Page 1 of 3

New guides, once in a while.

The best new tutorials and game server guides in your inbox. No spam, unsubscribe any time.

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.