You have installed Bablic on your primary domain, and activated SDK to make your website seo-friendly. Follow this guide if you wish your translated languages to have a different domain than your original website.
First we'll need to setup DNS for those domains. DNS settings defines which servers will handle requests to your custom domains. In order for your website to server those domains, you'll to duplicate the DNS settings of your current domain to the other domains. The steps to achieve this is different for each DNS host. Generally these are the steps to perform:
Sign in to your domain's account at your domain host.
Locate the page for updating your domain's DNS records. The page might be called something like DNS Management, DNS Zone File, Name Server Management, or Advanced Settings.
Locate the primary domain settings.
You can either duplicate those settings for the additional domains, or is possible add a CNAME or ALIAS record to the primary domain.
Save your settings
You can verify that this settings was performed successfully by clicking the Verify button in the Bablic SEO Configuration Wizard. The DNS update might take several hours to take affect. Even then, these domains might not work yet, but show you an error. If that's the case, you'll need to complete the next step, Custom Domains - Hosting Settings.