Sigma-koki.com is tracked by us since July, 2012. Over the time it has been ranked as high as 502 199 in the world, while most of its traffic comes from Japan, where it reached as high as 26 901 position. It was owned by several entities, from SIGMA KOKI CO.LTD. 17-2 SHIMOTAKAHAGISHINDEN to Domain Administrator of SIGMA KOKI CO. LTD., it was hosted by NTT Communications Corporation, OTSUKA CORPORATION and others. While NETWORK SOLUTIONS LLC. was its first registrar, now it is moved to GMO Internet Group Inc. d/b/a Onamae.com.

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