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Is silesnet.cz a Scam? Security Check Results - SilesNet s.r.o.

silesnet.cz Security Report Summary

silesnet.cz received a security score of 57 out of 100 in Guard's comprehensive security analysis, classified as "Elevated Risk". This report covers SilesNet s.r.o.'s website security posture. SilesNet s.r.o. operates in the Telecommunications industry in Czech Republic.

SilesNet s.r.o. is a regional telecommunications provider based in the Czech Republic, operating since 1998. The company specializes in delivering high-speed internet services via fiber optic and wireless technologies, targeting residential customers, businesses, and organizations. Their offerings include internet for apartments, houses, and enterprises, complemented by television services and dedicated technical support. The website reflects a stable market position with a focus on personalized customer service and regional expertise. Technically, the website employs modern web technologies including HTML5, CSS3, JavaScript, and popular libraries such as Swiper.js for UI components. Google Tag Manager and Google Analytics are used for tracking and analytics. The site is mobile-optimized with good SEO practices, though accessibility features are basic. Hosting appears to be provided by rails.cz, indicating a reliable infrastructure. From a security perspective, the site enforces HTTPS and implements a cookie consent mechanism, demonstrating awareness of privacy regulations. However, explicit security headers are missing, and no dedicated security or incident response policies are published. No vulnerabilities or exposed sensitive data were detected in the content. The WHOIS data confirms domain legitimacy with consistent registration details and a long operational history. Overall, the website presents a professional and trustworthy digital presence with room for improvement in privacy policy transparency and security header implementation. Strategic enhancements in these areas would strengthen compliance and security posture, supporting continued business growth and customer trust.

The security scan identified 31 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: HTML5, CSS3, JavaScript, Swiper.js, Google Tag Manager, Google Analytics.

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 silesnet.cz Safe? Security Analysis for SilesNet s.r.o.

https://silesnet.cz

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TelecommunicationsCzech Republicmedium
HTML5CSS3JavaScriptSwiper.jsGoogle Tag Manager+1 more
Analyzed 10/14/2025Completed 9:23:48 PM5mo ago
57
Security Score
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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

SilesNet s.r.o. is a regional telecommunications provider based in the Czech Republic, operating since 1998. The company specializes in delivering high-speed internet services via fiber optic and wireless technologies, targeting residential customers, businesses, and organizations. Their offerings include internet for apartments, houses, and enterprises, complemented by television services and dedicated technical support. The website reflects a stable market position with a focus on personalized customer service and regional expertise. Technically, the website employs modern web technologies including HTML5, CSS3, JavaScript, and popular libraries such as Swiper.js for UI components. Google Tag Manager and Google Analytics are used for tracking and analytics. The site is mobile-optimized with good SEO practices, though accessibility features are basic. Hosting appears to be provided by rails.cz, indicating a reliable infrastructure. From a security perspective, the site enforces HTTPS and implements a cookie consent mechanism, demonstrating awareness of privacy regulations. However, explicit security headers are missing, and no dedicated security or incident response policies are published. No vulnerabilities or exposed sensitive data were detected in the content. The WHOIS data confirms domain legitimacy with consistent registration details and a long operational history. Overall, the website presents a professional and trustworthy digital presence with room for improvement in privacy policy transparency and security header implementation. Strategic enhancements in these areas would strengthen compliance and security posture, supporting continued business growth and customer trust.

Detected Technologies

HTML5CSS3JavaScriptSwiper.jsGoogle Tag ManagerGoogle Analytics

13 urgent findings need attention

1 critical · 12 high

  • + 5 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

20/100

GDPR Compliance

3 findings

40/100

NIS2 Compliance

9 findings

2/100

Email Security

5 findings

70/100

🧠AI Business Intelligence

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

Business Intelligence

Market & Strategic Analysis

SilesNet operates as a medium-sized regional ISP with a 27-year history, leveraging a hybrid fiber and wireless network to serve a diverse customer base including residential, commercial, and institutional clients. Their competitive advantage lies in deep local market knowledge and personalized service. Revenue streams likely derive from subscription-based internet and television services. The company maintains a focused partnership ecosystem with dedicated client portals and email services. Growth indicators include multi-language support and a broad tariff portfolio. The business model emphasizes reliability, customer-centricity, and regional specialization, positioning SilesNet as a trusted local telecommunications provider.

Extracted Contact Information

Marketing Intelligence Data

Company Registration

Legal Name:

SilesNet s.r.o.

VAT Number:

CZ25392280

Registration Number:

25392280

Security Posture Analysis

Comprehensive Security Assessment

The current security maturity level is moderate. HTTPS is enforced, and cookie consent is implemented, aligning with GDPR requirements. However, the absence of explicit security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options reduces defense-in-depth. No public security policy or incident response contacts are available, which may hinder timely vulnerability reporting and response. Data protection practices appear basic, with no visible data leakage or exposed credentials. The use of third-party scripts like Google Analytics introduces moderate tracking but is standard industry practice. Enhancing security headers and publishing clear security policies would improve compliance and resilience.

Strategic Recommendations

Priority Actions for Security Improvement

1

Implement comprehensive security headers including CSP, HSTS, and X-Frame-Options to mitigate common web vulnerabilities.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

SilesNet s.r.o.

Description:

Regionální poskytovatel internetu s 27 lety zkušeností, nabízí širokou škálu internetových tarifů pro domácnosti, firmy a organizace s kombinací optických a bezdrátových technologií. Poskytuje také televizní služby a technickou podporu.

Key Services:
internet do bytuinternet pro důminternet pro firmy a organizacetelevizetechnická podpora
Content Quality:

good

Branding:

consistent

Technical Stack

Technologies:
HTML5CSS3JavaScriptSwiper.jsGoogle Tag ManagerGoogle Analytics
Performance:

moderate

Mobile:

good

Accessibility:

basic

SEO:

good

Security Assessment

Security Score:
80/100
Best Practices:
  • HTTPS enforced
  • secure forms with hidden session and trace tokens
  • cookie consent mechanism

Analytics & Tracking

Services:
Google Analytics
Tracking Level:moderate
Privacy Compliance:basic

Advertising & Marketing

Transparency Level:basic

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 no blocking or WAF challenges.

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

20/100
Score

Missing Strict-Transport-Security header

HIGH

Forces HTTPS connections

Missing X-Frame-Options header

HIGH

Prevents clickjacking attacks

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

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

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

70/100
Score

DMARC not enforcing

MEDIUM

DMARC policy is set to "none"

No DMARC reporting

LOW

DMARC aggregate reports not configured

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

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 mx ip4:78.157.167.10 ip4:78.157.167.67 -all
DNS Lookups:1/10
Policy:-all
DKIM Selectors Found
Selector:mail(1496-bit rsa)
Selector:s1(1440-bit rsa)
DMARC Details
Policy:none

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

65/100
Score

SSL Certificate Expires Soon

HIGH

SSL certificate expires in 18 days

Weak SSL Key Length

HIGH

SSL certificate uses 256-bit key, which is considered weak

Partial SSL/TLS Assessment

LOW

Completed 2 of 4 security checks due to time constraints

Certificate Details

Subject:silesnet.com
Issuer:E5
Valid Until:11/2/2025 (18 days)
SANs:karvinsko.cz, klient.silesnet.cz, lg.silesnet.net +23 more

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

80/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

CAA Records Not Configured

LOW

Certificate Authority Authorization (CAA) records not found

DMARC Policy Set to None

LOW

DMARC is configured but not enforcing any policy

Domain Registration Details

Domain Age
27 years(mature)

DNS Records

A Records:78.157.167.7
AAAA Records:2a02:d8a0:1::
Name Servers:
ns.silesnet.net
ns2.silesnet.net
MX Records:
0: mail.silesnet.net
SOA:Serial: 2002074997, TTL: 3600s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:151ms

SPF Analysis

SPF Record:
v=spf1 mx ip4:78.157.167.10 ip4:78.157.167.67 -all

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 silesnet.cz compare?

See how silesnet.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 is built on a modern, standards-compliant technology stack with responsive design and good SEO fundamentals. Use of Swiper.js enhances user experience with interactive sliders. Google Tag Manager and Analytics enable data-driven insights but require careful privacy management. Hosting on rails.cz suggests stable infrastructure. Performance is moderate with room for optimization. Accessibility is basic and could be improved to meet wider user needs. No CMS detected, indicating a custom or static site approach. Overall, the technical implementation supports business goals but could benefit from enhanced security and accessibility features.
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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

Domainsilesnet.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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