is-cool-me

Free subdomains for personal sites, open-source projects, and more.

Want to find services similar to this? Take a look on Open Domains.

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🔒 Need a free SSL certificate? Check out SSLgen — a free, web-based SSL certificate generator!

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📢 Notice

We have moved domains: is-cool.me → is-pro.dev and is-app.tech → is-into.tech. Please update your services’ DNS, API references, and links accordingly.

💖 Donate

If you like this service and want us to continue running it, please consider donating!

💬 Discord Server

Join our community Discord server for support and updates:

🌐 Domains

Available Domains
*.is-pro.dev
*.is-into.tech

Note: Wildcard domains (like *.example.is-pro.dev) and NS records are supported too, but the reason for their registration should be very clear and described in detail. We currently do not support Cloudflare (for NS), Netlify (for websites), or Vercel (for websites).

⚙️ Settings

Setting	is-into.tech	is-pro.dev
DNSSEC	✅	✅
Email	✅	✅
SSL/TLS*	Full	Full
Always Use HTTPS*	✅	✅
HTTP Strict Transport Security (HSTS)	✅	✅
Minimum TLS Version*	1.2	1.2
Opportunistic Encryption, TLS 1.3*	✅	✅
WAF (Web Application Firewall)*	Medium Security	Medium Security
Browser Integrity Check*	✅	✅
Caching Level, Browser Cache TTL*	Standard, 4 hours	Standard, 4 hours

*Only available when your domain has Cloudflare's proxy ("proxied": true) enabled.

📝 Register

💻 CLI (recommended)

1. Install the CLI:

npm install @is-cool.me/cli -g

2. Login to the CLI:

ic login

3. Register a domain and follow the prompts:

ic register

✋ Manual

1. Star ⭐ and Fork this repository.
2. Add a new file called example.domain.json in the /domains folder to register the example subdomain.
3. Edit the file — below is an example. Provide a valid JSON file matching your needs. The format is strict:

{
    "domain": "is-into.tech",
    "subdomain": "example",

    "owner": {
        "username": "yourgithubusername",
        "email": "hello@example.com"
    },

    "records": {
        "A": ["1.1.1.1", "1.0.0.1"],
        "AAAA": ["2606:4700:4700::1111", "2606:4700:4700::1001"],
        "CNAME": "example.com",
        "MX": [
            {
                "priority": 10,
                "value": "mx1.example.com"
            },
            {
                "priority": 20,
                "value": "mx2.example.com"
            }
        ],
        "TXT": [
            {
                "name": "@",
                "value": "example_verification=1234567890"
            }
        ],
        "CAA": [
            { "flags": 0, "tag": "issue", "value": "letsencrypt.org" },
            { "flags": 0, "tag": "issuewild", "value": "sectigo.com" }
        ],
        "SRV": [
            { "priority": 10, "weight": 60, "port": 5060, "target": "sipserver.example.com" },
            { "priority": 20, "weight": 10, "port": 5061, "target": "sipbackup.example.com" }
        ],
        "PTR": [
            "ptr.example.com"
        ]
    },

    "proxied": false
}

4. Your pull request will be reviewed and merged. Please don't ignore the pull request checklist — if you do, your PR may be ignored. Keep an eye on it in case we need you to make changes!
5. After the pull request is merged, please allow up to 24 hours for changes to propagate (usually it takes 5–15 minutes).
6. 🎉 Enjoy your new domain!

⚠️ Domains used for illegal purposes will be removed and permanently banned. Please provide a clear description of your resource in the pull request.

🙏 Credits

Credit for this repo goes to Open Domains and Free Domains.

📄 License

This project is under a MIT License.