C21.ca is tracked by us since December, 2016. Over the time it has been ranked as high as 82 799 in the world, while most of its traffic comes from Canada, where it reached as high as 1 692 position. It was owned by several entities, from Century 21 Canada Limited Partnership to Century 21 Canada, it was hosted by eNom Incorporated, Lunavi Inc. and others. While CIRA was its first registrar, now it is moved to .

C21 has the lowest Google pagerank and bad results in terms of Yandex topical citation index. We found that C21.ca is poorly ‘socialized’ in respect to any social network. According to MyWot and Google safe browsing analytics, C21.ca is a fully trustworthy domain with no visitor reviews.