You can connect a third-party domain or a custom domain to your JoonWeb website by following these steps:
Go to your site's dashboard or click on Manage Site
Select the Settings option on the sidebar
Select Domain option
Click on Connect existing domain
Enter the domain name in the search bar
Upon selecting, click on Continue With
Copy the Required IP address
On your domain provider account's dashboard, Go to the Domain Portfolio (or Domains) page
Select your domain name from the list & go to the Domain Settings page
Click on the Manage DNS option (the option may vary depending on the Domain provider)
Now will have to fill in the required info on the DNS Management page
Click on the Add button & go to the Type section & select A (A Record)
In the Name field, type @
In the Value field, paste the Required IP Address (you’ve copied from JoonWeb’s Domain Settings page)
Select TTL as Default
Click on Add Record & wait for it to update the DNS record
Go back to your JoonWeb’s Domain Settings page
Scroll down & copy the Required value
Return to your domain provider’s DNS Management page (see Steps 8, 9, 10, 11)
Click on the Add button & go to the Type section & select CNAME (CNAME record)
In the Name field, type www
In the Value field, paste the Required value (you’ve copied from JoonWeb’s Domain Settings page)
Keep TTL as Default
Click on Add Record & wait for it to update the DNS record
Return to JoonWeb’s Domain Settings page
Scroll down & click on the Verify Connection button
And it's done!
Watch this video for more info