One of my inherited projects has the domain name being added to all relative path dimensions in all of my Google Analytics reports.
Their property settings appear to be all correct. I did notice their own domain is not in their Referral Exclusion List, so maybe they accidentally removed it. Would that cause this issue?
Their filters do seem to be set up incorrectly, and they do have a Find/Replace filter- but it's only set to find "^www." in the hostname and the replace field is empty. I wouldn't think that this filter would append the data to the path, but maybe it does? According to the Filter Verification this would not have altered any data.
I'll probably be making a handful of changes to this Google Analytics setup, but I wanted to ask to see what could be causing something like this (maybe there is also something else I'm not thinking of).