Trusted but Verify
Key details in this review:
no major malware/phishing detections and presence in public traffic rankings. Review the evidence before relying on the site.
How we scored ninja.co.jp
Tech signals:
Advertising Network
Positive signals:
no major malware/phishing detections
strong independent trust
presence in public traffic rankings
an active SSL certificate (3 months)
Context signals:
visible website content
Last checked October 2, 2026 at 3:51 AM by
Gridinsoft Trust Model v2.5.5
and ownership information is not publicly available.
Complaint contact not found.
About ninja.co.jp
We reviewed ninja.co.jp and found a mix of positive and cautionary signals. The site does not currently look like a confirmed scam, but the evidence is not strong enough to treat it as fully established either. The current trust score is 68/100. Key signals include no major malware/phishing detections, strong independent trust, and presence in public traffic rankings. Verify key details and recent independent feedback before relying on this site for important actions.
FAQ
Is ninja.co.jp safe?
Based on current analysis, ninja.co.jp appears to be generally safe overall, although some caution points still remain. No major malware or phishing threats were detected, and strong independent trust and presence in public traffic rankings support this assessment. Basic verification is still recommended.
Why does ninja.co.jp have mixed reputation signals?
Key factors include hosting in JP. Major malware and phishing engines did not report active blacklist detections at the time of review. The trust score blends security detections, domain and infrastructure signals, and on-page behavior patterns. Overall, this points to a mixed profile rather than a clearly safe one.
Ninja Digital Footprints
A structured view of the site's detected themes, page signals, and related online footprint elements.
Registration Form
Automated page analysis detected form or data-entry functionality on ninja.co.jp. Forms can involve user-submitted information, so verify ownership and privacy terms before entering data.
Advertising Network
Bootstrap Framework
This site uses Bootstrap, a widely-adopted open-source framework for responsive web development. Bootstrap enables efficient creation of mobile-friendly interfaces through standardized components and styling.
Google Tag Manager
The ninja.co.jp website uses Google Tag Manager to add and update tracking tags on its website.
jQuery Library
High Trust Score
Domain Information
Top Level Domain.co.jpDomain Extension
Domain NameNinja.co.jp
Registration details are private or not accessible for this domain.
Technical Details
HTTP status301
IP Address202.228.215.61
Hostnameswarm.shinobi.jp
Hosting ProviderAS4694 IDC Frontier Inc.Tokyo, Tokyo, JP
SSL CertificateYR1TLSv1.3 · Valid for: 3 months · from August 4, 2026 at 4:54 AM · to November 2, 2026 at 4:54 AM
Content from the analyzed website
Quoted for security analysis. These statements belong to the source website and are not endorsed by Gridinsoft.
Original page title忍者ツールズ|ホームページ ブログ アクセス解析 カウンター メールフォーム
Original description無料ホームページ、ブログ、アクセス解析、アクセスカウンターなど、HPやレンタルCGIの定番『忍者ツールズ』。無料で作成・登録できます。携帯にも対応。
Primary Language
Mentioned hosts (25)
cnobi.jpx9.shinobi.jpninja-hp-plus.comfonts.googleapis.comanalytics.google.comasumi.shinobi.jpwww.google-analytics.comlp.ninja-dsp.comfonts.gstatic.cominfo.ninja.salonstats.g.doubleclick.netcdnjs.cloudflare.comninja-mosaic.comgoogleads.g.doubleclick.netcorp.ninja.co.jp
and 10 more
Security Analysis
Detection SignaturesThese signatures are used to generate the security fingerprint below.
Verified ServicesThis domain has been verified by the following legitimate services and organizations, confirming authentic ownership and proper email security configuration.
Google Verification
Domain ownership verified by Google.
Microsoft 365
Microsoft cloud productivity suite (Office, email, etc.).
Security FingerprintUnique identifier based on site analysis
Ninja.co.jp falls outside the top 100,000 websites globally, which typically indicates a more specialized or localized audience.
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Are You the Owner?
If you own Ninja.co.jp and want to challenge the trust score, please submit a review request via portal.gridinsoft.com. There you can claim your profile and add verified company/contact details. If you cannot access the portal, email legal(at)gridinsoft.com with proof of legitimacy and contact details. We never charge website owners for reviews or reconsideration requests. For more information, please review our Disclaimer.
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Help protect others by sharing this page on social media! The more people who know about ninja.co.jp, the fewer chances they have to deceive someone else.Help others evaluate ninja.co.jp by sharing this page on social media!
Help protect others by sharing this page on social media! The more people who know about ninja.co.jp, the fewer chances they have to deceive someone else. Help others evaluate ninja.co.jp by sharing this page on social media!