What's New

Updates, news, and the occasional tutorial from localnode.app.

A Few Security Updates Worth Knowing About

What have we implemented and why?

Read post →

Understanding Propagation: Why DNS Changes Aren't Instant

You updated your DNS record five minutes ago. Why is half the internet still seeing the old one? Here's what propagation actually means.

Read post →

Pointing Your Subdomain at a Raspberry Pi

A step-by-step walkthrough for getting your Raspberry Pi reachable from the internet under your own subdomain.

Read post →

Wildcard Subdomains: One Record, Infinite Names

A single wildcard DNS record matches any subdomain you throw at it. Handy when you want to add new services at home without touching DNS every time.

Read post →

TTL: The Knob Nobody Thinks About Until It Bites Them

Time To Live controls how long DNS resolvers cache your records. Get it wrong and a server migration turns into a multi-hour outage.

Read post →

How Cloudflare Makes Your Subdomain Fast Everywhere

Every localnode.app subdomain is backed by Cloudflare's anycast network. Here's what that actually means for your latency.

Read post →

Five Things You Can Actually Do With a Free Subdomain

From reaching your home server to showing off a project to a mate, here are the most popular things localnode.app users actually do with their subdomains.

Read post →

A, AAAA, CNAME - Which DNS Record Do You Need?

The three most common DNS record types explained plainly, with examples of when to use each one.

Read post →

Setting Up a Home Server You Can Actually Reach

Your home lab is only useful if you can get to it. Here's how to combine a free subdomain with DDNS to stay connected from anywhere.

Read post →

What is a Subdomain and Why Should You Care?

Subdomains let you give each thing you run its own name - without buying a new domain for every project.

Read post →