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Is idnes.cz a Scam? Security Check Results - iDNES.cz

idnes.cz Security Report Summary

idnes.cz received a security score of 54 out of 100 in Guard's comprehensive security analysis, classified as "Elevated Risk". This report covers iDNES.cz's website security posture. iDNES.cz operates in the Media industry in Czech Republic.

iDNES.cz is a leading Czech news portal established in 1998, offering comprehensive news coverage, premium subscription content, video, weather, and ticket sales services. It operates under the parent company Mafra, a.s., and targets a broad general audience in the Czech Republic. The website demonstrates a mature digital infrastructure with integration of multiple advertising and analytics technologies, including Google Tag Manager, Gemius, and Piano paywall. Security posture is solid with HTTPS enforcement and consent management, though some security headers could be improved. The absence of WHOIS data limits domain registration trust assessment but the strong brand presence and business information support legitimacy. Overall, the site is professional, content-rich, and well-optimized for user experience and advertising monetization.

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

Technologies detected: Google Tag Manager, Gemius analytics, Didomi consent management, Piano subscription/paywall, Prebid.js for header bidding, Criteo retargeting, Seznam SSP, R2B2 ad delivery, Tinypass (Piano) paywall, Google One Tap sign-in.

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 idnes.cz Safe? Security Analysis for iDNES.cz

https://idnes.cz

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

MediaCzech Republiclarge
Google Tag ManagerGemius analyticsDidomi consent managementPiano subscription/paywallPrebid.js for header bidding+5 more
Analyzed 10/14/2025Completed 3:51:49 AM5mo ago
54
Security Score
MEDIUM RISK

Below Media avg (58)

10,000+

Domains scanned

500+

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Domainidnes.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

iDNES.cz is a leading Czech news portal established in 1998, offering comprehensive news coverage, premium subscription content, video, weather, and ticket sales services. It operates under the parent company Mafra, a.s., and targets a broad general audience in the Czech Republic. The website demonstrates a mature digital infrastructure with integration of multiple advertising and analytics technologies, including Google Tag Manager, Gemius, and Piano paywall. Security posture is solid with HTTPS enforcement and consent management, though some security headers could be improved. The absence of WHOIS data limits domain registration trust assessment but the strong brand presence and business information support legitimacy. Overall, the site is professional, content-rich, and well-optimized for user experience and advertising monetization.

Detected Technologies

Google Tag ManagerGemius analyticsDidomi consent managementPiano subscription/paywallPrebid.js for header biddingCriteo retargetingSeznam SSPR2B2 ad deliveryTinypass (Piano) paywallGoogle One Tap sign-in

12 urgent findings need attention

1 critical · 11 high

  • + 4 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

4 findings

75/100

GDPR Compliance

4 findings

25/100

NIS2 Compliance

8 findings

17/100

Email Security

5 findings

70/100

🧠AI Business Intelligence

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

Business Intelligence

Market & Strategic Analysis

The portal holds a strong market position in Czech media, leveraging a mixed revenue model of advertising and premium subscriptions. It maintains partnerships with related media sites and ticketing platforms, enhancing its service offerings. The business model focuses on delivering timely news, specialized magazines, and interactive content such as quizzes and horoscopes. The company shows digital maturity with advanced ad tech and consent frameworks, indicating a focus on compliance and monetization. Growth potential lies in expanding premium content and maintaining user engagement through multimedia and interactive features.

Extracted Contact Information

Marketing Intelligence Data

Company Registration

Legal Name:

Mafra, a.s.

VAT Number:

CZ45313351

Security Posture Analysis

Comprehensive Security Assessment

The website employs HTTPS and integrates consent management tools, reflecting compliance with privacy regulations. Use of reputable third-party analytics and advertising networks is evident. However, explicit security headers like Content-Security-Policy and X-Frame-Options are not clearly present, representing an area for enhancement. No vulnerabilities or exposed sensitive data were detected in the HTML content. Incident response and security policy information are not publicly available, which could be improved to enhance transparency and trust.

Strategic Recommendations

Priority Actions for Security Improvement

1

Implement and enforce comprehensive security headers including CSP, X-Frame-Options, and X-Content-Type-Options.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

iDNES.cz

Description:

Zpravodajský portál iDNES.cz nabízí již od 12. ledna 1998 čerstvé informace z domácího zpravodajství, ze světa i z oblasti magazínů.

Key Services:
News articlesPremium subscription contentVideo contentWeather forecastsTicket sales via TicketportalQuizzes and horoscopes
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
Google Tag ManagerGemius analyticsDidomi consent managementPiano subscription/paywallPrebid.js for header biddingCriteo retargetingSeznam SSPR2B2 ad deliveryTinypass (Piano) paywallGoogle One Tap sign-in
Performance:

moderate

Mobile:

good

Accessibility:

basic

SEO:

good

Security Assessment

Security Score:
80/100
Best Practices:
  • HTTPS enforced
  • Consent management implemented
  • No exposed sensitive data in HTML
  • Use of reputable analytics and ad networks

Analytics & Tracking

Services:
GemiusGoogle Analytics via GTM
Tracking Level:moderate
Privacy Compliance:basic

Advertising & Marketing

Ad Networks:
CPEXR2B2GemiusCriteoSeznam SSP
Tracking Pixels:
GemiusGoogle Analytics (via GTM)Criteo
Marketing Tools:
Piano paywallDidomi CMP
Transparency Level:good

Website Quality Assessment

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

Key Observations

1

Website is a major Czech news portal with extensive content and premium subscription model.

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

75/100
Score

Weak Strict-Transport-Security configuration

LOW

Current value: "max-age=15552000"

Weak Referrer-Policy configuration

LOW

Current value: "no-referrer-when-downgrade"

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

25/100
Score

No Privacy Policy found

HIGH

GDPR requires a clear and accessible privacy policy

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, Facebook, YouTube

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

70/100
Score

Weak DKIM Key

HIGH

DKIM selector 'dkim' uses 728-bit key

DMARC Partial Enforcement

LOW

DMARC only applies to 10% of messages

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 include:_spf.xqueue.com include:spf.mafra.cz ip4:195.146.144.22 ip4:195.146.144.24 ip4:185.63.156.22 ip4:185.63.156.24 include:spf.smartemailing.cz -all
DNS Lookups:3/10
Policy:-all
DKIM Selectors Found
Selector:mail(1296-bit rsa)
Selector:dkim(728-bit rsa)
DMARC Details
Policy:reject(10% enforcement)
Aggregate Reports:173a1ba4@mxtoolbox.dmarc-report.com
Forensic Reports:173a1ba4@forensics.dmarc-report.com

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

52/100
Score

Weak Protocols Supported

HIGH

Server supports weak protocols: TLSv1.1

Certificate Transparency Not Implemented

LOW

Certificate is not logged in Certificate Transparency logs

Weak SSL Key Length

HIGH

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

Mixed Content Detected

MEDIUM

4 resources loaded over insecure HTTP

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 Enabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

90/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

Domain Registration Details

Domain Age
27 years(mature)

DNS Records

A Records:185.17.117.32
Name Servers:
ns.mafra.czDNS only
ns.mafracz.net
ns2.mafra.czDNS only
MX Records:
10: smtp1.mafra.cz
10: smtp2.mafra.cz
20: smtp4.mafra.cz
20: smtp3.mafra.cz
SOA:Serial: 2025101402, TTL: 300s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:94ms

SPF Analysis

SPF Record:
v=spf1 include:_spf.xqueue.com include:spf.mafra.cz ip4:195.146.144.22 ip4:195.146.144.24 ip4:185.63.156.22 ip4:185.63.156.24 include:spf.smartemailing.cz -all

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

How does idnes.cz compare?

See how idnes.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 technology stack with multiple third-party integrations for analytics, advertising, and subscription management. Performance is moderate with good mobile optimization and SEO practices. The site uses asynchronous script loading and preloading for performance optimization. However, no specific CMS or hosting provider information was detected. Accessibility is basic and could be improved. The technical infrastructure supports a complex content delivery and monetization model but requires ongoing maintenance to mitigate risks from third-party dependencies.
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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

Domainidnes.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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