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Is co2-rechner.de a Scam? Security Check Results - KlimAktiv gemeinnützige Gesellschaft zur Förderung des Klimaschutzes mbH

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Is co2-rechner.de Safe? Security Analysis for KlimAktiv gemeinnützige Gesellschaft zur Förderung des Klimaschutzes mbH

https://co2-rechner.de

Check if co2-rechner.de is a scam or legitimate. Free security scan and reviews.

GovernmentGermanymedium
Bootstrap 5Alpine.jsTom SelectAmCharts 5Klaro Cookie Consent+1 more
Analyzed 10/31/2025Completed 5:12:15 AM
52
Security Score
MEDIUM RISK
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Domainco2-rechner.de
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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

The CO2-Rechner website is an official environmental tool operated by KlimAktiv on behalf of the German Umweltbundesamt (UBA). It provides a comprehensive CO2 footprint calculator that includes multiple greenhouse gases… Unlock the full Guard report to read the complete analysis.

Detected Technologies

Bootstrap 5Alpine.jsTom SelectAmCharts 5Klaro Cookie ConsentMatomo Analytics
Continuous monitoring

Keep co2-rechner.de under constant watch

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

8 findings

15/100

GDPR Compliance

1 finding

95/100

NIS2 Compliance

8 findings

17/100

Email Security

5 findings

60/100

🧠AI Business Intelligence

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

Snapshot shown below. Unlock the full AI report for complete market insights, audience profiling, and step-by-step recommendations.

Business Intelligence

Market & Strategic Analysis

The CO2-Rechner is positioned as a key digital service in Germany's environmental and climate protection ecosystem. It leverages partnerships with KlimAktiv and the ifeu institute to provide scientifically robust data and methodologies. The business model is non-profit, focusing on public service and education. The target audience includes environmentally conscious individuals, municipalities, and event organizers seeking to measure and reduce their carbon footprint. The platform's integration with government agencies and scientific partners strengthens its credibility and market position. Growth potential lies in expanding user engagement, integrating more data sources, and enhancing policy simulation features. The partnership ecosystem is well-established with trusted environmental organizations, supporting sustainable operations and outreach.

Extracted Contact Information

Marketing Intelligence Data

Security Posture Analysis

Comprehensive Security Assessment

The website exhibits a mature security posture with mandatory HTTPS encryption and privacy-respecting analytics. The use of Klaro for cookie consent aligns with GDPR requirements. No exposed sensitive data or vulnerable libraries were found in the HTML content. However, the absence of explicit security headers (e.g., CSP, HSTS) and lack of a published security or incident response policy represent areas for improvement. No incident response or abuse contact channels are provided, which could hinder timely handling of security events. Overall, the site is secure for typical user interactions but would benefit from enhanced transparency and formalized security processes to meet best practices and regulatory expectations.

Strategic Recommendations

Priority Actions for Security Improvement

1

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Observations

AI-powered comprehensive website and business analysis.

A preview of your strategic observations is visible. Upgrade to unlock the full competitive positioning, trust signals, and branding checklist.

AI-Enhanced Website Analysis

Business Insights

Company:

KlimAktiv gemeinnützige Gesellschaft zur Förderung des Klimaschutzes mbH

Description:

Der CO2-Rechner des Umweltbundesamtes ist ein Online-Tool zur Berechnung des persönlichen CO2-Fußabdrucks, das neben CO2 auch weitere Treibhausgase berücksichtigt. Es richtet sich an Privatpersonen, Kommunen und Veranstalter, um Emissionen zu erfassen und Klimaschutzmaßnahmen zu planen.

Key Services:
CO2 footprint calculationClimate policy simulationEducational materials and resources
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
Bootstrap 5Alpine.jsTom SelectAmCharts 5Klaro Cookie ConsentMatomo Analytics
Frameworks:
BootstrapAlpine.js
Performance:

moderate

Mobile:

good

Accessibility:

good

SEO:

good

Security Assessment

Security Score:
85/100
Best Practices:
  • HTTPS enforced
  • Secure cookie consent with Klaro
  • No exposed sensitive data in HTML
  • Use of secure analytics (Matomo) with anonymized IP

Analytics & Tracking

Services:
Matomo
Tracking Level:moderate
Privacy Compliance:good

Advertising & Marketing

Tracking Pixels:
Matomo
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 an official government-backed environmental tool for CO2 footprint calculation.

🛡️Security Headers

HTTP security headers analysis and recommendations.

Some header findings are shown. Unlock to see the full checklist, impacted endpoints, and remediation guidance.

Security Headers

HTTP security headers analysis

15/100
Score

Missing Strict-Transport-Security header

HIGH

Forces HTTPS connections Unlock the full report to read the complete fix.

Missing X-Frame-Options header

HIGH

Prevents clickjacking attacks Unlock the full report to read the complete fix.

Missing X-Content-Type-Options header

MEDIUM

Prevents MIME type sniffing Unlock the full report to read the complete fix.

Missing Content-Security-Policy header

HIGH

Controls resources the browser is allowed to load Unlock the full report to read the complete fix.

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended) Unlock the full report to read the complete fix.

Missing Referrer-Policy header

LOW

Controls referrer information sent with requests Unlock the full report to read the complete fix.

Missing Permissions-Policy header

MEDIUM

Controls browser features and APIs Unlock the full report to read the complete fix.

Sensitive data may be cached

LOW

Cache-Control header should include "no-store" for sensitive pages Unlock the full report to read the complete fix.

👤GDPR Compliance

Privacy and data protection assessment under GDPR regulations.

Preview of GDPR checkpoints is visible. Unlock to reveal full evidence, policy excerpts, and DPIA guidance.

GDPR Compliance

Privacy and data protection assessment

95/100
Score

No Data Protection Officer mentioned

LOW

Large organizations may need to designate a DPO under GDPR Unlock the full report to read the complete fix.

GDPR Compliance Analysis

Privacy Policy85% confidence
Cookie Policy85% confidence
Contact Information Found90% confidence
emailphone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

You can see headline NIS2 checks. Upgrade to access the full control mapping, severity breakdown, and remediation plan.

NIS2 Compliance

Network & Information Security Directive

17/100
Score

No information security framework found

HIGH

NIS2 requires documented cybersecurity and information security measures Unlock the full report to read the complete fix.

No vulnerability disclosure policy

MEDIUM

NIS2 encourages coordinated vulnerability disclosure Unlock the full report to read the complete fix.

No security policy documentation found

HIGH

NIS2 requires documented cybersecurity governance and risk management Unlock the full report to read the complete fix.

No incident response procedures found

HIGH

NIS2 requires documented incident response and business continuity plans Unlock the full report to read the complete fix.

No business continuity planning found

MEDIUM

NIS2 emphasizes operational resilience and business continuity Unlock the full report to read the complete fix.

No security contact information

HIGH

NIS2 requires clear incident reporting channels Unlock the full report to read the complete fix.

No vulnerability reporting mechanism

MEDIUM

Clear vulnerability reporting supports coordinated disclosure Unlock the full report to read the complete fix.

No NIS2 reference found

LOW

Consider explicitly mentioning NIS2 compliance efforts Unlock the full report to read the complete fix.

📧Email Security

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

Quick view of email authentication checks is provided. Unlock to uncover full DNS evidence, record diffs, and fix scripts.

Email Security

SPF, DKIM, and DMARC validation

60/100
Score

No DKIM record found

MEDIUM

DKIM adds cryptographic signatures to emails Unlock the full report to read the complete fix.

No BIMI Record

LOW

BIMI displays brand logos in email clients Unlock the full report to read the complete fix.

No MTA-STS Policy

MEDIUM

MTA-STS enforces TLS for email delivery Unlock the full report to read the complete fix.

No TLS-RPT Record

LOW

TLS-RPT provides reporting for email TLS issues Unlock the full report to read the complete fix.

No email authentication configured

CRITICAL

Domain is vulnerable to email spoofing Unlock the full report to read the complete fix.

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.

This is a teaser of the TLS audit. Unlock to view certificate chains, cipher support tables, and remediation steps.

SSL/TLS Security

Certificate validity and encryption analysis

62/100
Score

Weak Protocols Supported

HIGH

Server supports weak protocols: TLSv1.1 Unlock the full report to read the complete fix.

OCSP Stapling Not Enabled

LOW

OCSP stapling improves performance and privacy Unlock the full report to read the complete fix.

Certificate Transparency Not Implemented

LOW

Certificate is not logged in Certificate Transparency logs Unlock the full report to read the complete fix.

SSL Certificate Expires Soon

HIGH

SSL certificate expires in 23 days Unlock the full report to read the complete fix.

Partial SSL/TLS Assessment

LOW

Completed 3 of 4 security checks due to time constraints Unlock the full report to read the complete fix.

Protocol Support

TLSv1.3TLSv1.2TLSv1.1

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

Unlock the full DNS posture audit to reveal misconfigurations, zone records, and actionable fixes.

DNS Health

DNS configuration and security assessment

60/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain Unlock the full report to read the complete fix.

CAA Records Not Configured

LOW

Certificate Authority Authorization (CAA) records not found Unlock the full report to read the complete fix.

Domain Transfer Lock Not Enabled

MEDIUM

Domain can be transferred without authorization Unlock the full report to read the complete fix.

Domain Delete Lock Not Enabled

LOW

Domain can be deleted without additional verification Unlock the full report to read the complete fix.

No DMARC Record

MEDIUM

DMARC policy not configured Unlock the full report to read the complete fix.

Domain Registration Details

Protection Level
none
Suspicious Indicators Detected
  • No domain protection locks enabled

DNS Records

A Records:134.119.86.56
AAAA Records:2a00:116a:10e:fa50::
Name Servers:
ns81.domaincontrol.com
ns82.domaincontrol.com
MX Records:
100: mxlb.ispgateway.de
SOA:Serial: 2025102002, TTL: 600s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:38ms

Network Security

Port scanning and network exposure analysis.

See a glimpse of exposed services. Unlock to access full port inventories, CVE lookups, and mitigation priorities.

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 Unlock the full report to read the complete fix.

Service Exposed: SSH

MEDIUM

Port 22 (SSH) is publicly accessible - SSH - Secure but can be brute-forced Unlock the full report to read the complete fix.

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Unlock to view the complete technical breakdown, stack fingerprinting, and hardening checklist.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

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⭐ Verified Community Reviews

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