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Security report for rcguru.cz

Nové české online casino · Other · Czech Republic

Medium risk. 9 critical or high findings in GDPR outside view, Email security and 2 other checks.

Security score

56/100

Risk levelMedium

0–100, higher is better. How it is calculated

The website rcguru.cz operates as a Czech language online casino review and bonus information platform targeting players interested in Czech online casinos. It provides detailed reviews of top 10 casinos, payment methods, bonus explanations, and user testimonials. The business model appears to be affiliate or informational, focusing on guiding users to various casino platforms. Technically, the site uses standard web technologies with Cloudflare DNS, structured data for SEO, and a responsive design optimized for mobile. Security posture is moderate with no detected WAF or blocking, but lacks explicit security headers and incident response information. Privacy compliance is basic with a privacy policy present but no cookie consent mechanism. WHOIS data shows inconsistencies, notably a domain creation date in the future relative to content publication, which raises legitimacy concerns. Overall, the site is functional and professional but would benefit from enhanced security and compliance transparency.

Scanned

NIS2 and GDPR posture

GDPR outside view
33/ 100 · High
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

9 findings rated critical or high. Fix these first.

  1. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • Critical

      EU business without adequate privacy measures

      EU businesses are subject to strict GDPR requirements

      What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures

  2. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  3. Security headers

    Security headers are instructions your web server sends to every visitor’s browser. Missing ones leave visitors more exposed to attacks such as clickjacking and injected scripts.

    • High

      Missing Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • High

      Missing X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…

Need hands-on remediation? Email guard@offseq.com

Keep watching rcguru.cz

This scan found 25 issues across 6 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

Daily monitoring

Recommended

€25per month

  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

Email alerts on material changes and an exportable JSON history of every change.

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Full report

€39.90one-time

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Prices incl. 21% VAT. Secure checkout by Mollie; sold by SEQ SIA, Latvia.

Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
75
Security headers
15
Email security
40
DNS health
75
Network security
100
GDPR outside view
33
Average
56

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

rcguru.cz positions itself as a niche affiliate or review site within the Czech online gambling market, providing curated casino rankings, bonus offers, and payment method guides. Its competitive advantage lies in detailed, localized content in Czech language, targeting adult players seeking trustworthy casino information. The platform leverages user reviews and structured data to build credibility. Revenue likely stems from affiliate partnerships with casinos. The site is relatively new (2025) and small in size, focusing on content quality and user experience. No direct contact or company registration data is provided, limiting transparency. The ecosystem includes links to gambling awareness organizations, enhancing responsible gaming messaging.

Security posture

The security maturity of rcguru.cz is moderate. The site uses HTTPS (implied by canonical URLs), Cloudflare DNS, and standard web technologies. However, no explicit security headers (CSP, HSTS, X-Frame-Options) were detected in the provided data. There is no published security policy or incident response contact information. No vulnerabilities or exposed sensitive data were found in the content. Privacy compliance is partial, with a privacy policy but no cookie consent mechanism. The WHOIS data inconsistency regarding domain creation date is a concern for trustworthiness. Overall, the site should improve security headers, transparency, and incident response readiness to enhance its security posture.

Recommendations

  1. Implement comprehensive security headers including Content Security Policy, HSTS, and X-Frame-Options.
  2. Add a cookie consent banner/mechanism to comply with GDPR and improve privacy compliance.
  3. Clarify and publish a security policy and incident response contact information on the website.
  4. Verify and correct WHOIS domain registration data to ensure consistency and trust.
  5. Enhance contact information availability to improve business credibility and user trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Nové české online casino
Description
Nové české online casino přináší příležitost pro hráče v Česku. Získejte bonusy a hravé možnosti bez mezer. Zkuste a vyhrajte právě teď
Key services
Casino reviews, Bonus offers, Payment method information, User ratings and testimonials
Content quality
good
Branding
consistent

Technology

Stack
HTML5, CSS, JavaScript, Cloudflare DNS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
50/100
Good practices seen
  • Use of Cloudflare DNS

Analytics and tracking

Tracking level
minimal
Privacy practices
basic

Advertising

Transparency
basic

Site quality

Design
good
User experience
good
Content relevance
good
Navigation
good
Professionalism
good
Trustworthiness
moderate

Key observations

  1. Website is a Czech language online casino review and bonus information platform.
  2. Content is comprehensive with detailed casino reviews, payment methods, and FAQs.
  3. No direct contact emails or phone numbers found on the site.
  4. No cookie consent mechanism detected despite presence of cookies likely.
  5. No explicit security or incident response policies published.
  6. WHOIS data shows inconsistencies in domain creation date.
  7. No WAF or blocking detected; site fully accessible.
  8. Site uses structured data (JSON-LD) for SEO and organization info.
  9. No social media links or official company contacts found.
  10. Payment methods and casino partners are listed but links mostly placeholders (#).
Technical notes

Notes

The website is built with standard HTML5, CSS, and JavaScript, with Cloudflare used for DNS services. Structured data in JSON-LD format is implemented for organization, article, and breadcrumb schemas, aiding SEO. The site is mobile optimized with responsive design and lazy loading images. Performance is moderate with preloading of CSS and deferred JavaScript. No CMS or advanced frameworks were detected. The site lacks advanced security headers and cookie consent mechanisms. External links mostly point to reputable gambling awareness and related sites. Overall, the technical infrastructure is solid but could benefit from enhanced security and privacy features.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

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