Sum.dk is tracked by us since December, 2014. Over the time it has been ranked as high as 1 001 399 in the world, while most of its traffic comes from Denmark, where it reached as high as 4 367 position. It was owned by several entities, from Ministeriet for Sundhed og forebyggelse to Sundheds- og Ældreministeriet, it was hosted by IP addresses for ADSL users in, Hetzner Online GmbH and others.

Sum has a high Google pagerank and bad results in terms of Yandex topical citation index. We found that Sum.dk is poorly ‘socialized’ in respect to any social network. According to MyWot and Google safe browsing analytics, Sum.dk is quite a safe domain with no visitor reviews.