My first time seeing this url 😄
0.30000000000000004.com

Update your handle to use your domain name:

1. Settings > Account > Handle > I have my own domain
2. Add a TXT record for the _atproto subdomain with the value provided
3. Wait for the record to update: `dig TXT _atproto.<your_domain>`
4. Complete steps in window in step #1 above

Hello world!