Administration & Office Services
nikkenren.com reviews & complaints
nikkenren.com
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About nikkenren.com
一般社団法人日本建設業連合会（日建連）は建設業界を代表する団体として、建設業に関係するさまざまな課題に取り組み、建設業の健全な発展に力を注いでいます
Quick facts
Category: Administration & Office Services
Rating distribution
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Trust & Transparency
Trust Signals Score: 73
Confidence: Medium
Last checked: Sun, Feb 22, 2026 12:11 PM
Domain maturity
• Domain age 27.7 years
• Registrar data present
good
Source: rdap
Security posture
• HTTPS reachable
• Certificate expires in 220 days
good
Source: crawler
Service availability
• Uptime ratio 100% over last 7 days
good
Source: crawler
Ownership transparency
• Owner claim not verified
bad
Source: crawler
Content completeness
• Description available
• No docs/pricing hints detected
bad
Source: crawler
Limited data. What we know: recent crawl and content signals. What we don't know: complete external registry and threat data.
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