Oa.com is tracked by us since April, 2011. Over the time it has been ranked as high as 773 in the world, while most of its traffic comes from China, where it reached as high as 150 position. It was owned by several entities, from J-P.M.E.T. Vosmeer of KSE process technology BV to Contact Privacy Inc. Customer 7151571251 of Contact Privacy Inc. Customer 7151571251, it was hosted by IS Group B.V., Oracle Svenska AB and others. While Ascio Technologies Inc. Danmark - Filial af Ascio technologies Inc. USA was its first registrar, now it is moved to Squarespace Domains II LLC.

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