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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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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.
How to Diagnose DNS Problems with dig and nslookup
When a domain won't resolve, dig and nslookup tell you exactly why. A practical, example-driven guide to reading their output and finding the real problem.
How to Verify Your Domain for Email Sending
Before a service like SendGrid, Mailgun or Google can send as your domain, you must verify it in DNS. Here's what each record does and how to get verified fast.
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.
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.
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.
How to Set Up MX Records for Google Workspace
The exact MX record to add so Google Workspace receives mail for your domain, plus the SPF and DKIM records that keep your sending out of spam.
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.
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 Enable DNSSEC on Your Domain
DNSSEC cryptographically signs your DNS so answers can't be forged. Here's what it protects against and exactly how to turn it on at your registrar.
How to Set Up Reverse DNS (PTR) for a Mail Server
A missing or wrong PTR record is the fastest way to get your mail server's email rejected. Here's how reverse DNS works and how to set the PTR correctly.
How to Set Up a CNAME Record (with Examples)
CNAME records alias one hostname to another — perfect for www, app platforms and verification. Here's how they work, when to use them, and the rules that bite people.
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