I have a question regarding referring domains dimensions. on my referring domain there is "com.google" shows as a referring domains. why is com.google shows as referring domains instead of organic or paid search? is it because of the user typed the website link on google translate and enter the website via google translate? or is there any other possibilities? Thankyou!
Have you validated that your paid search detection rules are properly defined? Are your marketing campaigns properly tagged in accordance with those rules?
Aside from that, google domains do not only serve as search engines and its not uncommon to have some traffic bucketed there. One frequent example is display ads.