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.

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51 guides for “mx” · Clear search
Domains · 5 min read ·

Business email for a domain registered anywhere: a DNS setup guide

Your domain doesn't have to live with Nxeon to get professional email on it. Here's exactly which DNS records to add — MX, SPF, DKIM, DMARC — wherever it's registered.

Networking · 4 min read ·

MX records and email deliverability: SPF, DKIM and DMARC

Getting email to the inbox is about DNS, not luck. Here's how MX records route your mail and how SPF, DKIM and DMARC keep it out of the spam folder.

Game servers · 3 min read ·

Automate Game Server Restarts with systemd and cron

Keep your game server rock-solid: a systemd service that auto-restarts on crash and boot, plus a scheduled nightly restart with player warnings.

Game servers · 3 min read ·

How to Host a Minecraft Modpack Server (Forge & Fabric)

Run a modded Minecraft server for CurseForge or Modrinth packs. Install Forge or Fabric, match versions, allocate RAM and open the port.

Networking · 4 min read ·

DNS records explained: A, AAAA, MX, TXT, CNAME, NS

DNS is the internet's address book. Here's a plain-English guide to the record types you'll actually use — A, AAAA, CNAME, MX, TXT and NS — and when to reach for each.

Domains · 3 min read ·

How to transfer a domain to a new registrar

Moving a domain to a better registrar is straightforward once you know the steps. Here's the checklist — unlock, auth code, and no downtime.

Game servers · 3 min read ·

How Much RAM and CPU Does a Game Server Need?

Stop guessing at server specs. A game-by-game breakdown of RAM and CPU requirements, why single-core speed matters, and how player count scales cost.

Game servers · 3 min read ·

How to Reduce Minecraft Server Lag

Fix low TPS and stutter on your Minecraft server. Practical fixes: Paper, Aikar's flags, view-distance tuning, chunk pre-gen and spark profiling.

Domains · 3 min read ·

TTL in DNS explained: what that number really does

TTL is the little number next to every DNS record — and it controls how fast your changes take effect. Here's how to set it wisely.

Game servers · 3 min read ·

How to Set Up a Project Zomboid Server

Build a persistent Project Zomboid world for your survivors. Install with SteamCMD, set the memory and admin password, and open port 16261.

Domains · 3 min read ·

DNS records explained: A, AAAA, CNAME, MX and TXT

Every domain runs on a handful of record types. Here's what each one does, with real examples, so you can read and edit DNS with confidence.

Domains · 3 min read ·

How DNS works: the internet's phone book explained

Every time you load a website, a hidden lookup turns a name into an IP address. Here's what DNS is doing behind the scenes, step by step.

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