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Is m21m.cz a Scam? Security Check Results - M21M s.r.o.

m21m.cz Security Report Summary

m21m.cz received a security score of 43 out of 100 in Guard's comprehensive security analysis, classified as "Elevated Risk". This report covers M21M s.r.o.'s website security posture. M21M s.r.o. operates in the Real Estate industry in Czech Republic.

M21M s.r.o. is a Czech-based project management company specializing in construction and development projects. Their services encompass comprehensive project management from acquisition through commissioning, technical supervision of investors, and precise diagnostics of buildings using modern technologies including drones and online workflows. The company targets investors and developers seeking professional oversight and quality assurance in real estate projects. The website reflects a professional and consistent brand image with clear contact information and client references, positioning M21M as a trusted small enterprise in the Czech real estate sector. Technically, the website employs a modern but somewhat dated technology stack including jQuery and the Nette PHP framework. It is mobile optimized with good SEO and accessibility basics, though some improvements in accessibility and performance could be made. Security posture is solid with HTTPS enforced and minimal cookie usage, but lacks advanced security headers and published security policies. No analytics or tracking scripts are detected, indicating a privacy-conscious approach. The absence of WHOIS data is a notable concern, as it prevents verification of domain registration legitimacy and age. Despite this, the website content and business information appear genuine and professional. No privacy policy or terms of service pages were found, which is a compliance gap. Overall, the site is safe, trustworthy, and well-designed but would benefit from enhanced transparency and security documentation. Recommendations include publishing privacy and security policies, adding security headers, updating JavaScript libraries, and verifying domain registration details to improve trust and compliance.

The security scan identified 34 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: jQuery 1.10.2, Nette Forms, AOS (Animate On Scroll), Yall (lazy loading), Fitie (image fitting), Custom JavaScript controls.

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.

M

Is m21m.cz Safe? Security Analysis for M21M s.r.o.

https://m21m.cz

Check if m21m.cz is a scam or legitimate. Free security scan and reviews.

Real EstateCzech Republicsmall
jQuery 1.10.2Nette FormsAOS (Animate On Scroll)Yall (lazy loading)Fitie (image fitting)+1 more
Analyzed 10/15/2025Completed 8:29:43 AM5mo ago
43
Security Score
HIGH RISK

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Domains scanned

500+

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Domainm21m.cz
Access tierFull report or marketing add-on

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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

M21M s.r.o. is a Czech-based project management company specializing in construction and development projects. Their services encompass comprehensive project management from acquisition through commissioning, technical supervision of investors, and precise diagnostics of buildings using modern technologies including drones and online workflows. The company targets investors and developers seeking professional oversight and quality assurance in real estate projects. The website reflects a professional and consistent brand image with clear contact information and client references, positioning M21M as a trusted small enterprise in the Czech real estate sector. Technically, the website employs a modern but somewhat dated technology stack including jQuery and the Nette PHP framework. It is mobile optimized with good SEO and accessibility basics, though some improvements in accessibility and performance could be made. Security posture is solid with HTTPS enforced and minimal cookie usage, but lacks advanced security headers and published security policies. No analytics or tracking scripts are detected, indicating a privacy-conscious approach. The absence of WHOIS data is a notable concern, as it prevents verification of domain registration legitimacy and age. Despite this, the website content and business information appear genuine and professional. No privacy policy or terms of service pages were found, which is a compliance gap. Overall, the site is safe, trustworthy, and well-designed but would benefit from enhanced transparency and security documentation. Recommendations include publishing privacy and security policies, adding security headers, updating JavaScript libraries, and verifying domain registration details to improve trust and compliance.

Detected Technologies

jQuery 1.10.2Nette FormsAOS (Animate On Scroll)Yall (lazy loading)Fitie (image fitting)Custom JavaScript controls

15 urgent findings need attention

2 critical · 13 high

  • + 7 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

7 findings

30/100

GDPR Compliance

5 findings

10/100

NIS2 Compliance

9 findings

2/100

Email Security

6 findings

40/100

🧠AI Business Intelligence

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

Business Intelligence

Market & Strategic Analysis

M21M operates in the real estate and construction project management sector, serving a niche market of investors and developers in the Czech Republic. Their competitive advantage lies in combining traditional project management expertise with modern technology such as drone surveillance and online project software. The company has a stable client base including notable retail and residential developers, indicating a solid market position. Revenue streams likely derive from project management contracts and technical supervision services. The business model is service-oriented with a focus on quality and personal client relationships. Growth indicators include the use of innovative technology and a portfolio of diverse projects. The company appears to maintain a lean operation without subsidiaries or parent affiliations. Strategic observations suggest opportunities to enhance digital presence and compliance to strengthen market trust.

Extracted Contact Information

Marketing Intelligence Data

Physical Addresses (1)

Company Registration

Legal Name:

M21M s.r.o.

VAT Number:

CZ09661727

Registration Number:

09661727

Security Posture Analysis

Comprehensive Security Assessment

The website demonstrates a moderate to good security maturity level. HTTPS is properly implemented, ensuring encrypted communications. The presence of a cookie consent banner with minimal cookie usage aligns with privacy best practices. However, the absence of key security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options reduces protection against common web attacks. No incident response or security policy information is published, which limits transparency and preparedness perception. The use of an outdated jQuery version could expose the site to known vulnerabilities if exploited. No analytics or tracking scripts reduce privacy risks but also limit monitoring capabilities. Overall, the security posture is adequate for a small business website but could be significantly improved with basic security hardening and policy disclosures.

Strategic Recommendations

Priority Actions for Security Improvement

1

Publish a comprehensive privacy policy and terms of service to improve compliance and user trust.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

M21M s.r.o.

Description:

M21M s.r.o. is a project management company specializing in construction and development projects. They manage projects comprehensively from acquisition to commissioning, using modern technologies and online innovative environments. Their services include project management, technical supervision of investors, and precise building diagnostics. The company emphasizes personal approach, quality, and professional project leadership.

Key Services:
Project managementTechnical supervision of investorsPrecise building diagnostics
Content Quality:

good

Branding:

consistent

Technical Stack

Technologies:
jQuery 1.10.2Nette FormsAOS (Animate On Scroll)Yall (lazy loading)Fitie (image fitting)Custom JavaScript controls
Frameworks:
Nette (PHP framework implied by netteForms.js)
Performance:

moderate

Mobile:

good

Accessibility:

basic

SEO:

good

Security Assessment

Security Score:
85/100
Best Practices:
  • HTTPS enforced
  • Cookie consent banner with minimal cookie usage
  • No exposed sensitive data in HTML

Analytics & Tracking

Tracking Level:minimal
Privacy Compliance:basic

Advertising & Marketing

Transparency Level:poor

Website Quality Assessment

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

Key Observations

1

Website is fully accessible with rich content in Czech language

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

30/100
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

Sensitive data may be cached

LOW

Cache-Control header should include "no-store" for sensitive pages

👤GDPR Compliance

Privacy and data protection assessment under GDPR regulations.

GDPR Compliance

Privacy and data protection assessment

10/100
Score

No Privacy Policy found

HIGH

GDPR requires a clear and accessible privacy policy

No Cookie Policy found

HIGH

GDPR requires clear information about cookie usage

No Cookie Consent Banner found

HIGH

GDPR requires explicit consent for non-essential cookies

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 APIs

GDPR Compliance Analysis

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

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

2/100
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

Critical sector without clear security compliance

HIGH

Detected sectors: transport, digital

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📧Email Security

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

Email Security

SPF, DKIM, and DMARC validation

40/100
Score

No SPF record found

HIGH

SPF helps prevent email spoofing

No DKIM record found

MEDIUM

DKIM adds cryptographic signatures to emails

No BIMI Record

LOW

BIMI displays brand logos in email clients

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

No email authentication configured

CRITICAL

Domain is vulnerable to email spoofing

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

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

85/100
Score

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 62 days

Mixed Content Detected

MEDIUM

1 resources loaded over insecure HTTP

Partial SSL/TLS Assessment

LOW

Completed 2 of 4 security checks due to time constraints

Certificate Details

Subject:m21m.cz
Issuer:R13
Valid Until:12/17/2025 (62 days)
SANs:m21m.cz, www.m21m.cz

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
4 years(established)

DNS Records

A Records:91.239.200.38
AAAA Records:2001:67c:e94:0:1:5bef:c826:1
Name Servers:
ns1.thinline.czDNS only
ns2.thinline.czDNS only
ns3.cesky-hosting.eu
MX Records:
5: alt1.aspmx.l.google.com
10: alt4.aspmx.l.google.com
1: aspmx.l.google.com
5: alt2.aspmx.l.google.com
10: alt3.aspmx.l.google.com

DNSSEC Status

DNSSEC Not Enabled

Network Security

Port scanning and network exposure analysis.

Network Security

Port scanning and network exposure analysis

20/100
Score

High-Risk Service Exposed: FTP

HIGH

Port 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer

Service Exposed: SSH

MEDIUM

Port 22 (SSH) is publicly accessible - SSH - Secure but can be brute-forced

How does m21m.cz compare?

m21m.cz scores below average. Browse similar domains to see how competitors handle security.

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The website uses a combination of legacy and modern frontend technologies including jQuery 1.10.2, Nette Forms, AOS for animations, and lazy loading libraries. The site is mobile responsive with good SEO meta tags and structured navigation. Performance is moderate, with room for optimization in image loading and script management. No CMS is detected, suggesting a custom or framework-based build. Hosting provider details are not disclosed. Accessibility features are basic but present. The site lacks advanced analytics or marketing tools, indicating a focus on content and service presentation rather than aggressive marketing. Technical risks include outdated libraries and missing security headers, which could impact business operations if exploited.
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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

Domainm21m.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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