If you get ads, popups, notifications from DominantInfo, your Mac is infected with adware. DominantInfo is adware for Mac.
DominantInfo changes setting on your Mac. First, DominantInfo installs a browser extension in your browser. Then, after DominantInfo hijacks your browser, it modifies the settings in the browser. For example, it changes the default home page, modifies search results, and displays unwanted pop-ups in your browser.