There may be various reasons for this.
1. Have all DNS settings been made? In the article "Link Domain with saldia" It is explained exactly which settings need to be made. If you need help or something isn't working, please contact your hosting provider."
2. Have you changed the domain in the backend? It's not enough to just adjust the DNS settings with your hosting provider. You need to enter your domain in the backend so that we can link it correctly. You should enter the domain in this field:
It may take a moment for the changes to go live.
If your domain is connected but your SSL certificate is not activated, you can find more information in the article "Why is my SSL certificate not working?".