Hi @Garjoman
there are checks of your domain - https://check-your-website.server-daten.de/?q=a4osot.com
That's
| Host | Type | IP-Address | is auth. | ∑ Queries | ∑ Timeout |
|---|---|---|---|---|---|
| a4osot.com | Name Error | yes | 1 | 0 | |
| www.a4osot.com | Name Error | yes | 1 | 0 |
not your domain, that domain isn't registered.
You need a worldwide unique, registered domain you control.
Start with some required basics: