Note that it is not possible to retroactively set a trusted domain on existing threads. The domain will only apply to newly created threads.
Setting a trusted domain
Go to your Disqus Admin > Setup > Advanced. Locate the "Trusted domains" box and enter your domains there.
Best practices and troubleshooting
- Sub-domains are unnecessary, as everything is covered in the base domain. So using
- Don't include
wwwin your trusted domain, or else your comments may not load.
- As part of the Best Practices for staging sites you can use the trusted domain as a check to make sure you don't load accidentally load a production Disqus shortname on a staging site and vice versa.