Is kottner.cz Safe? Security Analysis for Köttner Diamonds
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SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
AI Summary
Köttner Diamonds is a Czech luxury jewelry retailer specializing in handcrafted diamond rings, including engagement and wedding rings, as well as other fine jewelry such as pearls, bracelets, and earrings. The company emphasizes its long-standing tradition dating back to 1919, combining artisanal craftsmanship with modern technology. Their business model includes both a physical showroom in Prague and an online e-commerce platform, targeting customers seeking premium, certified diamond jewelry with lifetime guarantees. Technically, the website is built on the Solidpixels CMS platform and integrates modern web technologies including Google Tag Manager, Google Analytics, and Google Ads for marketing and analytics. The site is mobile-optimized with good SEO practices and a cookie consent mechanism that supports GDPR compliance. Performance is moderate with room for improvement in accessibility and security headers. From a security perspective, the site enforces HTTPS and uses cookie consent banners, but lacks visible security headers and explicit security or incident response policies. No vulnerabilities or exposed sensitive data were detected in the HTML content. The absence of WHOIS data reduces domain transparency and trustworthiness, though the professional presentation and business information mitigate some concerns. Overall, the website presents a professional and trustworthy front for a niche luxury retailer, but could enhance its security posture and domain transparency to improve trust and compliance.
Detected Technologies
13 urgent findings need attention
1 critical · 12 high
- + 5 more findings in the full report below
Keep kottner.cz under constant watch
Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.
Security drift alerts
Risk score drops, new high-severity issues, and header hardening gaps
Compliance watch
GDPR / NIS2 posture changes with governance evidence snapshots
Infrastructure surface
Unexpected open services, SSL expiry, DNS & email authentication changes
Content & tracker intelligence
Marketing tech shifts, analytics drift, and AI recommendation updates
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Security Headers
4 findings
55/100
GDPR Compliance
4 findings
25/100
NIS2 Compliance
9 findings
2/100
Email Security
3 findings
85/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Köttner Diamonds occupies a premium niche in the luxury jewelry retail market in the Czech Republic and Europe. Their competitive advantages include a century-old tradition, in-house artisanal manufacturing, certified gemstones, and lifetime guarantees. Revenue streams likely come from both in-store and online sales. The target customer segment is affluent individuals seeking high-quality diamond jewelry for special occasions. The company leverages digital marketing and analytics tools to optimize customer engagement. Partnerships include the Solidpixels CMS provider. Strategic observations suggest focusing on enhancing digital security and transparency to strengthen market trust and support growth.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The current security maturity level is moderate. HTTPS is properly implemented, and cookie consent mechanisms are in place supporting GDPR compliance. However, the absence of security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options is a gap. No incident response or vulnerability disclosure information is publicly available, which limits transparency. Data protection practices appear adequate for customer data collected via forms, but no explicit security policy or DPO contact is found. The site uses third-party scripts for analytics and advertising, which should be regularly audited. Overall, the security culture appears basic but could be improved with formal policies and enhanced technical controls.
Strategic Recommendations
Priority Actions for Security Improvement
Implement standard security headers (CSP, X-Frame-Options, X-Content-Type-Options) to mitigate common web attacks.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Köttner Diamonds
Evropské klenotnictví s českými kořeny nabízející luxusní briliantové šperky, zásnubní a snubní prsteny, perly, náramky, náušnice a další. Všechny šperky jsou ručně vyráběny v zlatnickém ateliéru s certifikáty původu a kvality kamenů. Poskytují perfektní servis, krátké dodací lhůty a celoživotní záruku.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- Cookie consent banner with opt-in/out
- No exposed sensitive data in HTML
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and professional design.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Weak Referrer-Policy configuration
LOWCurrent value: "no-referrer-when-downgrade"
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Privacy Policy found
HIGHGDPR requires a clear and accessible privacy policy
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements
Third-party services without privacy policy
HIGHDetected services: Google Analytics, Facebook, Google APIs
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
Critical sector without clear security compliance
HIGHDetected sectors: transport, banking, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No BIMI Record
LOWBIMI displays brand logos in email clients
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
SPF Details
DKIM Selectors Found
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 43 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
Partial SSL/TLS Assessment
LOWCompleted 2 of 4 security checks due to time constraints
Certificate Details
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
Weak SPF Policy
HIGHSPF record has permissive policy allowing any server to send email
No DMARC Record
MEDIUMDMARC policy not configured
Domain Registration Details
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does kottner.cz compare?
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🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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Marketing Intelligence
Contact emails, phone numbers & warm leads
Plan Comparison
| Feature | PDF Report | Marketing+ |
|---|---|---|
| Full security analysis | ||
| Professional PDF export | ||
| Email delivery | ||
| Lifetime access + unlock code | ||
| Contact emails & phones | — | |
| Marketing outreach data | — |
Already purchased?
Order summary
Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.
Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.
SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
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