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Is dek.cz a Scam? Security Check Results - Dek a.s.

dek.cz Security Report Summary

dek.cz received a security score of 64 out of 100 in Guard's comprehensive security analysis, classified as "Moderate Risk". This report covers Dek a.s.'s website security posture. Dek a.s. operates in the Retail industry in Czech Republic.

Dek a.s. operates the website dek.cz, a leading retail network specializing in building materials, tools, and construction supplies in the Czech Republic. Established in 2004, the company has grown to become the largest building materials network in the country, with 94 physical stores and an online presence offering product catalogs, pricing, and rental services. The website targets construction professionals and general consumers seeking building and renovation materials. The business model focuses on retail sales combined with tool and machine rental services, positioning Dek a.s. as a comprehensive supplier in the construction sector. Technically, the website employs modern web technologies including Vue.js and React frameworks, alongside jQuery and various asynchronous scripts for analytics and marketing. Hosting is provided by Active24, consistent with WHOIS data. The site demonstrates good mobile optimization and moderate performance, with SEO and accessibility features at a basic to good level. The use of multiple tracking and advertising services indicates a mature digital marketing strategy. From a security perspective, the site enforces HTTPS and uses secure login forms with validation. However, it lacks explicit security headers and publicly accessible privacy or cookie policies, which are critical for GDPR compliance and user trust. No incident response or vulnerability disclosure information is available, suggesting room for improvement in transparency and security governance. Overall, dek.cz presents a professional and trustworthy online platform with strong business credibility and technical infrastructure. To enhance its security posture and compliance, the company should implement and publish comprehensive privacy and cookie policies, add security headers, and provide clear incident response channels. These steps will improve user trust and align the site with best practices in data protection and cybersecurity.

The security scan identified 28 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: JavaScript, Vue.js, React, jQuery, Google Tag Manager, Microsoft Clarity, Smartform API.

About this security scan

Guard performs automated security assessments of websites by analyzing SSL/TLS certificates, HTTP security headers, DNS configuration, email authentication protocols (SPF, DKIM, DMARC), GDPR compliance indicators, NIS2 directive compliance, network exposure, and AI-powered business intelligence. Each report provides domain-specific findings, risk scores, and actionable recommendations.

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Is dek.cz Safe? Security Analysis for Dek a.s.

https://dek.cz

Check if dek.cz is a scam or legitimate. Free security scan and reviews.

RetailCzech Republiclarge
JavaScriptVue.jsReactjQueryGoogle Tag Manager+2 more
Analyzed 10/13/2025Completed 6:30:26 AM5mo ago
64
Security Score
MEDIUM RISK

Above Retail avg (56)

10,000+

Domains scanned

500+

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Domaindek.cz
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VisaMastercardApple PayGoogle Pay

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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

Dek a.s. operates the website dek.cz, a leading retail network specializing in building materials, tools, and construction supplies in the Czech Republic. Established in 2004, the company has grown to become the largest building materials network in the country, with 94 physical stores and an online presence offering product catalogs, pricing, and rental services. The website targets construction professionals and general consumers seeking building and renovation materials. The business model focuses on retail sales combined with tool and machine rental services, positioning Dek a.s. as a comprehensive supplier in the construction sector. Technically, the website employs modern web technologies including Vue.js and React frameworks, alongside jQuery and various asynchronous scripts for analytics and marketing. Hosting is provided by Active24, consistent with WHOIS data. The site demonstrates good mobile optimization and moderate performance, with SEO and accessibility features at a basic to good level. The use of multiple tracking and advertising services indicates a mature digital marketing strategy. From a security perspective, the site enforces HTTPS and uses secure login forms with validation. However, it lacks explicit security headers and publicly accessible privacy or cookie policies, which are critical for GDPR compliance and user trust. No incident response or vulnerability disclosure information is available, suggesting room for improvement in transparency and security governance. Overall, dek.cz presents a professional and trustworthy online platform with strong business credibility and technical infrastructure. To enhance its security posture and compliance, the company should implement and publish comprehensive privacy and cookie policies, add security headers, and provide clear incident response channels. These steps will improve user trust and align the site with best practices in data protection and cybersecurity.

Detected Technologies

JavaScriptVue.jsReactjQueryGoogle Tag ManagerMicrosoft ClaritySmartform API

10 urgent findings need attention

1 critical · 9 high

  • + 2 more findings in the full report below
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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

6 findings

35/100

GDPR Compliance

3 findings

40/100

NIS2 Compliance

8 findings

17/100

Email Security

3 findings

82/100

🧠AI Business Intelligence

Technology stack, business insights, and market analysis powered by AI.

Business Intelligence

Market & Strategic Analysis

Dek a.s. holds a dominant market position in the Czech building materials retail sector, leveraging a large network of physical stores and an integrated online platform. Its competitive advantage lies in the breadth of product offerings, including construction materials, electrical supplies, plumbing, and tools rental. The business model combines traditional retail with digital commerce and service extensions like equipment rental, catering to both professional contractors and individual consumers. The company’s growth is supported by extensive regional coverage across Czech regions, as evidenced by the detailed store locator and regional segmentation on the website. Strategic partnerships with major brands and use of affiliate marketing programs enhance its product portfolio and market reach. The digital infrastructure supports targeted marketing and customer analytics, indicating a data-driven approach to customer engagement and sales optimization.

Security Posture Analysis

Comprehensive Security Assessment

The website demonstrates a moderate to good security maturity level with HTTPS enforced and secure login forms featuring client-side validation. The use of asynchronous loading for analytics and marketing scripts reduces performance impact but introduces potential risks if third-party scripts are compromised. The absence of explicit security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security is a notable gap that could expose the site to clickjacking, XSS, and other web attacks. Lack of publicly available privacy and cookie policies, as well as incident response or vulnerability disclosure information, indicates limited transparency and preparedness for security incidents. No vulnerabilities or exposed sensitive data were detected in the provided content. To improve, Dek a.s. should implement comprehensive security headers, publish privacy and cookie policies, and establish clear incident response and vulnerability reporting channels to enhance user trust and regulatory compliance.

Strategic Recommendations

Priority Actions for Security Improvement

1

Publish comprehensive privacy and cookie policies prominently on the website to ensure GDPR compliance and user transparency.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

Dek a.s.

Description:

Vše pro vaši stavbu či rekonstrukci na jednom místě a ihned skladem. Jsme největší síť stavebnin s 94 prodejnami a vlastní půjčovnou strojů a nářadí.

Key Services:
Building materials salesTool and machine rentalOnline product catalog and ordering
Content Quality:

good

Branding:

consistent

Technical Stack

Technologies:
JavaScriptVue.jsReactjQueryGoogle Tag ManagerMicrosoft ClaritySmartform API
Frameworks:
Vue.jsReact
Platforms:
Web
Performance:

moderate

Mobile:

good

Accessibility:

basic

SEO:

good

Security Assessment

Security Score:
80/100
Best Practices:
  • HTTPS enforced
  • Use of Google Tag Manager and Microsoft Clarity asynchronously
  • No exposed sensitive data in HTML
  • Login form with validation rules

Analytics & Tracking

Services:
Microsoft ClarityGoogle Analytics (via GTM)Exponea
Tracking Level:extensive
Privacy Compliance:basic

Advertising & Marketing

Ad Networks:
Bing AdsGoogle Ads
Tracking Pixels:
Microsoft ClarityBing UET
Marketing Tools:
SmartformExponea
Transparency Level:good

Website Quality Assessment

Design Quality:good
User Experience:good
Content Relevance:good
Navigation Clarity:good
Professionalism:good
Trustworthiness:high

Key Observations

1

Website is a professional e-commerce platform for building materials in Czech Republic.

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

35/100
Score

Missing Strict-Transport-Security header

HIGH

Forces HTTPS connections

Missing X-Content-Type-Options header

MEDIUM

Prevents MIME type sniffing

Missing Content-Security-Policy header

HIGH

Controls resources the browser is allowed to load

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended)

Missing Referrer-Policy header

LOW

Controls referrer information sent with requests

Missing Permissions-Policy header

MEDIUM

Controls browser features and APIs

👤GDPR Compliance

Privacy and data protection assessment under GDPR regulations.

GDPR Compliance

Privacy and data protection assessment

40/100
Score

No Privacy Policy found

HIGH

GDPR requires a clear and accessible privacy policy

EU business without adequate privacy measures

CRITICAL

EU businesses are subject to strict GDPR requirements

Third-party services without privacy policy

HIGH

Detected services: Google Analytics, Facebook, LinkedIn, YouTube, Google APIs

GDPR Compliance Analysis

Privacy Policy0% confidence
Cookie Policy85% confidence
Contact Information Found90% confidence
emailphone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

17/100
Score

No information security framework found

HIGH

NIS2 requires documented cybersecurity and information security measures

No vulnerability disclosure policy

MEDIUM

NIS2 encourages coordinated vulnerability disclosure

No security policy documentation found

HIGH

NIS2 requires documented cybersecurity governance and risk management

No incident response procedures found

HIGH

NIS2 requires documented incident response and business continuity plans

No business continuity planning found

MEDIUM

NIS2 emphasizes operational resilience and business continuity

No security contact information

HIGH

NIS2 requires clear incident reporting channels

No vulnerability reporting mechanism

MEDIUM

Clear vulnerability reporting supports coordinated disclosure

No NIS2 reference found

LOW

Consider explicitly mentioning NIS2 compliance efforts

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📧Email Security

SPF, DKIM, and DMARC validation and email security assessment.

Email Security

SPF, DKIM, and DMARC validation

82/100
Score

No DMARC reporting

LOW

DMARC aggregate reports not configured

No MTA-STS Policy

MEDIUM

MTA-STS enforces TLS for email delivery

No TLS-RPT Record

LOW

TLS-RPT provides reporting for email TLS issues

SPF
Sender Policy Framework
DKIM
DomainKeys Identified Mail
DMARC
Domain-based Message Authentication
MX Records
Mail Exchange Records
BIMI
Brand Indicators
MTA-STS
Mail Transfer Agent Security
TLS-RPT
TLS Reporting
DNSSEC
DNS Security
SPF Details
Record:
v=spf1 redirect=_spfmailgun.dek.cz
DNS Lookups:0/10
DKIM Selectors Found
Selector:default(1296-bit rsa)
DMARC Details
Policy:reject

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

72/100
Score

Weak Protocols Supported

HIGH

Server supports weak protocols: TLSv1.1

OCSP Stapling Not Enabled

LOW

OCSP stapling improves performance and privacy

Certificate Transparency Not Implemented

LOW

Certificate is not logged in Certificate Transparency logs

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 71 days

Partial SSL/TLS Assessment

LOW

Completed 3 of 4 security checks due to time constraints

Protocol Support

TLSv1.3TLSv1.2TLSv1.1

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

85/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

CAA Records Not Configured

LOW

Certificate Authority Authorization (CAA) records not found

Domain Registration Details

Domain Age
21 years(mature)

DNS Records

A Records:92.63.50.246
Name Servers:
alfa.ns.active24.czDNS only
beta.ns.active24.czDNS only
gama.ns.active24.sk
MX Records:
10: mx1.dek.cz
SOA:Serial: 2025101001, TTL: 3600s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:89ms

SPF Analysis

SPF Record:
v=spf1 redirect=_spfmailgun.dek.cz

Network Security

Port scanning and network exposure analysis.

Network Security

Port scanning and network exposure analysis

100/100
Score

Good Network Security Posture

LOW

No unnecessary services detected on common risky ports

How does dek.cz compare?

See how dek.cz stacks up against similar websites in the same industry.

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The website utilizes a modern technology stack including Vue.js and React frameworks, supported by jQuery and various asynchronous scripts for analytics and marketing. Hosting is managed by Active24, consistent with domain registration data. The site features responsive design elements for mobile optimization and employs Google Tag Manager and Microsoft Clarity for user behavior tracking. Performance is moderate, with asynchronous script loading to reduce blocking. SEO is supported by appropriate meta tags and Open Graph data. However, the absence of a detected CMS suggests a custom or proprietary platform. Accessibility is basic, with room for improvement. The technical infrastructure is robust but could benefit from enhanced security configurations and formalized privacy compliance mechanisms.
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Marketing Intelligence

Contact emails, phone numbers & warm leads

49.90 €one-time • Incl. 21% VAT

Plan Comparison

FeaturePDF ReportMarketing+
Full security analysis
Professional PDF export
Email delivery
Lifetime access + unlock code
Contact emails & phones
Marketing outreach data

Already purchased?

Order summary

Domaindek.cz
Access tierFull report or marketing add-on

Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.

VisaMastercardApple PayGoogle Pay

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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