To create Sip review we checked Sip.or.jp reputation at lots of sites, including Siteadvisor and MyWOT. Unfortunately, we did not find sufficient information whether Sip is safe for children, but we discovered that the domain does not look fraudulent. We would describe it as legit.
Sato Yosihiko of Sibecha Internet Project keeps it trustworthy. Please be warned that to describe security status of Sip.or.jp we use data openly available on the Web, thus we cannot guarantee that no scam sites might have been mistakenly considered legit and no fraud or PC issues may occur in this regard. But usually the crowdsourced data we have is pretty accurate. Let's see it below.
Is Sip legit and safe? Sip.or.jp review. Sip reviews and fraud and scam reports.
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See our complete review of SipReviews: positive vs negative
Unfortunately, we did not found any user reviews on Sip.or.jp on the web. That may mean that the domain is not popular enough or well-promoted yet, but it may be still safe and promising.