The domain name crwdcntrl.net is owned by Lotame.
Lotame is a company that uses its technologies to provide services to marketers, agencies and media companies that want to build a panoramic view of their customers and activate across the cookieless web, mobile app and OTT environments.
From what we know, this site is safe, its just used to track your visits to certain websites.
There is a number of subdomains that sit under the main one, some examples are shown below :-
Duncan is a technology professional with over 20 years experience of working in various IT roles. He has a interest in cyber security, and has a wide range of other skills in radio, electronics and telecommunications.