1. Visit Adsense.Google.com and sign in to your Adsense account. Click on 'Adsense Setup.'
2. Click on 'Adsense for Domains.' This brings up the list of domains associated with your Adsense account.
3. Click on the box next to the domain you want to remove.
4. Click on the 'Actions' arrow, and then select 'Remove Domain.'
5. Click 'Yes' when 'Are you sure you want to remove the domain' appears. The domain is now removed from your Adsense account.
6. Access your domain account with your registrar. Enter the domain editor or manager and access the 'CNAME' and 'A' fields. Remove the Google Adsense URLs from the fields and replace them with the desired server address. Contact your specific registrar if you need assistance with the process.