> ## Documentation Index
> Fetch the complete documentation index at: https://docs.nxtdev.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# nxtdev.xyz — Free Developer Subdomains on Cloudflare

> Get a free subdomain under nxtdev.xyz backed by Cloudflare. Claim up to 2 subdomains, manage up to 100 DNS records each, with no credit card required.

nxtdev.xyz is a free subdomain service that lets you claim a label under `nxtdev.xyz` — for example, `alice.nxtdev.xyz` — and manage its DNS records from a clean dashboard. Every subdomain runs on Cloudflare's global network, so your records are live in seconds with no propagation delays.

## What you get

The free tier gives you everything you need to ship a real project:

* **2 subdomains** per account, free forever — no credit card required
* **Up to 100 DNS records** per subdomain, including delegated NS records
* **Cloudflare-backed DNS** — global propagation usually under 60 seconds
* **Safety checks** on every submission — phishing patterns and high-risk IPs are blocked automatically

## Supported record types

You can create any of the following record types from the dashboard:

| Type    | Common use                                          |
| ------- | --------------------------------------------------- |
| `A`     | Point to an IPv4 server address                     |
| `AAAA`  | Point to an IPv6 server address                     |
| `CNAME` | Vercel, Netlify, Render, or any hostname-based host |
| `TXT`   | SPF, DKIM, ownership verification tokens            |
| `MX`    | Self-hosted or managed email routing                |
| `SRV`   | Game servers, XMPP, and custom protocols            |
| `NS`    | Delegate your subdomain to your own nameservers     |

<Note>
  `NS` records are for delegation only. Once you add nameservers, DNS editing inside the dashboard becomes read-only. Remove all NS records to return to managed mode.
</Note>

## Before you can claim

You must link a GitHub account to your nxtdev.xyz account before claiming any subdomain. This is a one-time step that verifies your identity and helps protect the shared `nxtdev.xyz` namespace from abuse.

<Warning>
  The claim button stays disabled until GitHub verification is complete. Navigate to **Settings** in the dashboard to link your account.
</Warning>

## Explore the docs

<CardGroup cols={2}>
  <Card title="Quick Start" icon="bolt" href="/quickstart">
    Claim your first subdomain and add a DNS record in under two minutes.
  </Card>

  <Card title="Claiming a subdomain" icon="tag" href="/subdomains/claiming">
    Learn the naming rules and how the claim process works.
  </Card>

  <Card title="DNS records" icon="server" href="/dns/overview">
    Create and manage A, CNAME, MX, TXT, SRV, and NS records.
  </Card>

  <Card title="Delegation" icon="network-wired" href="/delegation/overview">
    Point your own nameservers at your subdomain for full DNS control.
  </Card>
</CardGroup>