This part of the documentation will explain what the Find CA featured in uxtension is.
When hovering over any website and opening the uxtension extension, there is a built-in CA Finder and Domain Age Checker.
Find CA:
To find a contract address on any webpage, simply open uxtension while on the page and click Find CA and uxtension will quickly fetch any CA located on the website.
Go on any website, click "Find CA".
Domain Age Check:
To check the age of any domain, simply open uxtension while on the website and click Check Age under Domain Age Check and uxtension will find when the domain was registered.
Go on any website, click "Check Age".
To view a live demo of the CA Lookup & Domain Age Check features, you can watch the below video: