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Is szn.cz a Scam? Security Check Results - Seznam.cz

szn.cz Security Report Summary

szn.cz received a security score of 60 out of 100 in Guard's comprehensive security analysis, classified as "Moderate Risk". This report covers Seznam.cz's website security posture. Seznam.cz operates in the Media industry in Czech Republic.

Seznam.cz is the leading Czech internet portal offering a wide range of services including search engine, email, news, weather, maps, video streaming, and podcasts. It serves a broad Czech audience with a comprehensive digital ecosystem. The website demonstrates a mature and professional digital presence with consistent branding and high-quality content. Technically, it employs modern web technologies, uses HTTPS with strong security headers, and leverages CDN hosting for performance. However, explicit privacy and cookie policies are not directly found in the main HTML content, which is a compliance gap. The WHOIS data is unavailable from the CZ.NIC registry query, which is unusual but may be due to registry policies. Overall, the site is secure, performant, and trustworthy, but could improve transparency on privacy and security contact information.

The security scan identified 30 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: JavaScript, CSS variables, SVG images, Responsive design, IntersectionObserver polyfill, PostHog 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 szn.cz Safe? Security Analysis for Seznam.cz

https://szn.cz

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

MediaCzech Republiclarge
JavaScriptCSS variablesSVG imagesResponsive designIntersectionObserver polyfill+1 more
Analyzed 10/14/2025Completed 10:54:08 PM5mo ago
60
Security Score
MEDIUM RISK

Above Media avg (58)

10,000+

Domains scanned

500+

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Domainszn.cz
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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

Seznam.cz is the leading Czech internet portal offering a wide range of services including search engine, email, news, weather, maps, video streaming, and podcasts. It serves a broad Czech audience with a comprehensive digital ecosystem. The website demonstrates a mature and professional digital presence with consistent branding and high-quality content. Technically, it employs modern web technologies, uses HTTPS with strong security headers, and leverages CDN hosting for performance. However, explicit privacy and cookie policies are not directly found in the main HTML content, which is a compliance gap. The WHOIS data is unavailable from the CZ.NIC registry query, which is unusual but may be due to registry policies. Overall, the site is secure, performant, and trustworthy, but could improve transparency on privacy and security contact information.

Detected Technologies

JavaScriptCSS variablesSVG imagesResponsive designIntersectionObserver polyfillPostHog analytics

10 urgent findings need attention

1 critical · 9 high

  • + 2 more findings in the full report below
Continuous monitoring

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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

4 findings

65/100

GDPR Compliance

5 findings

10/100

NIS2 Compliance

7 findings

25/100

Email Security

5 findings

60/100

🧠AI Business Intelligence

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

Business Intelligence

Market & Strategic Analysis

Seznam.cz holds a dominant position in the Czech online media market, operating multiple content verticals and services that generate revenue primarily through advertising. Its ecosystem includes news portals, lifestyle content, sports, video streaming, and e-commerce related services. The portal integrates trusted partner domains and maintains a strong brand presence. The business model is advertising-driven with diversified content offerings targeting general Czech internet users. The site shows signs of extensive user engagement and a broad partnership network, indicating a stable and mature business operation.

Extracted Contact Information

Marketing Intelligence Data

Physical Addresses (1)

Security Posture Analysis

Comprehensive Security Assessment

The website enforces HTTPS with excellent SSL configuration and implements key security headers such as HSTS, CSP, and X-Frame-Options. No sensitive data is exposed in the HTML content. The use of modern JavaScript frameworks and controlled third-party scripts suggests a good security hygiene. However, the absence of a published security policy, incident response contacts, or vulnerability disclosure mechanisms limits transparency. Privacy compliance indicators are minimal, with no explicit cookie consent mechanism detected in the main HTML. Overall, the security posture is strong technically but could benefit from enhanced policy disclosures and user privacy transparency.

Strategic Recommendations

Priority Actions for Security Improvement

1

Publish clear and accessible privacy and cookie policies on the main site with links from the homepage.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

Seznam.cz

Description:

Nejnavštěvovanější český internetový portál nabízející vyhledávač, e-mail, aktuální zprávy, předpověď počasí a odkazy, které se mohou hodit.

Key Services:
Search engineEmailNewsWeather forecastMapsTV programClassifiedsDictionaryVideo portalPodcasts
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
JavaScriptCSS variablesSVG imagesResponsive designIntersectionObserver polyfillPostHog analytics
Performance:

fast

Mobile:

excellent

Accessibility:

good

SEO:

good

Security Assessment

Security Score:
90/100
Best Practices:
  • HTTPS enforced
  • Use of security headers
  • No exposed sensitive data in HTML
  • Secure forms with hidden fields for tracking

Analytics & Tracking

Services:
PostHogGoogle Analytics (via GTM)Gemius
Tracking Level:moderate
Privacy Compliance:basic

Advertising & Marketing

Ad Networks:
ssp.seznam.cz
Tracking Pixels:
gemius.plgoogletagmanager.composthog
Marketing Tools:
PostHog
Transparency Level:good

Website Quality Assessment

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

Key Observations

1

Website is a major Czech internet portal with extensive content and services.

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

65/100
Score

Missing X-Content-Type-Options header

MEDIUM

Prevents MIME type sniffing

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

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 Analytics

GDPR Compliance Analysis

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

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

25/100
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 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

60/100
Score

DMARC not enforcing

MEDIUM

DMARC policy is set to "none"

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

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 ip4:77.75.78.0/23 ip4:77.75.76.0/23 ip6:2a02:598::/32 ?all
DNS Lookups:1/10
Policy:?all
DMARC Details
Policy:none
Aggregate Reports:abuse@seznam.cz

🏆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 64 days

Mixed Content Detected

MEDIUM

5 resources loaded over insecure HTTP

Partial SSL/TLS Assessment

LOW

Completed 2 of 4 security checks due to time constraints

Certificate Details

Subject:www.seznam.cz
Issuer:R13
Valid Until:12/18/2025 (64 days)
SANs:admin.seznam.cz, admin100-api.seznam.cz, admin100-node.seznam.cz +12 more

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

55/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

Domain Transfer Lock Not Enabled

MEDIUM

Domain can be transferred without authorization

Domain Delete Lock Not Enabled

LOW

Domain can be deleted without additional verification

Weak SPF Policy

HIGH

SPF record has permissive policy allowing any server to send email

DMARC Policy Set to None

LOW

DMARC is configured but not enforcing any policy

Domain Registration Details

Domain Age
29 years(mature)
Protection Level
none
Suspicious Indicators Detected
  • No domain protection locks enabled

DNS Records

A Records:77.75.79.222, 77.75.77.222
AAAA Records:2a02:598:a::79:222, 2a02:598:2::1222
Name Servers:
ams.seznam.czDNS only
ans.seznam.czDNS only
MX Records:
10: mx1.seznam.cz
20: mx2.seznam.cz
SOA:Serial: 1760427319, TTL: 300s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:74ms

SPF Analysis

SPF Record:
v=spf1 mx ip4:77.75.78.0/23 ip4:77.75.76.0/23 ip6:2a02:598::/32 ?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 szn.cz compare?

See how szn.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 uses a modern tech stack with CSS variables, SVG icons, and JavaScript modules optimized for different browser capabilities. It leverages CDN hosting (sdn.cz) for static assets, ensuring fast load times and global availability. The site is mobile-optimized with responsive design and accessibility features such as ARIA labels and keyboard navigation support. SEO is well addressed with meta tags, Open Graph, and Twitter cards. The site integrates multiple analytics and advertising scripts, including PostHog, Google Tag Manager, and Gemius, indicating a mature data collection infrastructure. Technical risks are low, but continuous monitoring of third-party scripts is recommended to mitigate supply chain risks.
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PDF Report & Export

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39.90 €one-time • Incl. 21% VAT

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

Domainszn.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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