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Is co2ero.de a Scam? Security Check Results - CO2ero e.V.

co2ero.de Security Report Summary

co2ero.de received a security score of 55 out of 100 in Guard's comprehensive security analysis, classified as "Elevated Risk". This report covers CO2ero e.V.'s website security posture. CO2ero e.V. operates in the Education industry in Germany.

CO2ero e.V. is a German non-profit organization dedicated to climate protection through education and sustainable development initiatives primarily targeting schools and educational institutions. The organization offers workshops, campaigns, and resources to support climate action and sustainability goals, positioning itself as a niche leader recognized by UNESCO's BNE 2030 program. Their website reflects a professional and consistent brand image with clear navigation and relevant content for their target audience. Technically, the website employs modern web technologies including asynchronous JavaScript loading and Matomo analytics configured to disable cookies, indicating a privacy-conscious approach. The site is served over HTTPS with good performance and mobile optimization, though no explicit CMS or hosting provider details are evident. Accessibility is basic but functional, and SEO practices appear adequate. From a security perspective, the site benefits from HTTPS and privacy-aware analytics but lacks explicit security headers, a published privacy or cookie policy, and a vulnerability disclosure mechanism. Contact information is clearly provided, enhancing trust. The WHOIS data shows eco-friendly hosting consistent with the organization's mission but lacks detailed registrant information, slightly reducing trustworthiness. Overall, the website is safe, professional, and credible with room for improvement in privacy compliance and security best practices. No adult or questionable content is present, and the site is fully accessible without WAF or blocking mechanisms.

The security scan identified 35 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: Matomo Analytics, JavaScript ES Modules, CSS Stylesheets, Lazy Loading Images.

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 co2ero.de Safe? Security Analysis for CO2ero e.V.

https://co2ero.de

Check if co2ero.de is a scam or legitimate. Free security scan and reviews.

EducationGermanysmall
Matomo AnalyticsJavaScript ES ModulesCSS StylesheetsLazy Loading Images
Analyzed 10/30/2025Completed 4:41:37 AM4mo ago
55
Security Score
MEDIUM RISK

Above Education avg (55)

10,000+

Domains scanned

500+

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Domainco2ero.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

CO2ero e.V. is a German non-profit organization dedicated to climate protection through education and sustainable development initiatives primarily targeting schools and educational institutions. The organization offers workshops, campaigns, and resources to support climate action and sustainability goals, positioning itself as a niche leader recognized by UNESCO's BNE 2030 program. Their website reflects a professional and consistent brand image with clear navigation and relevant content for their target audience. Technically, the website employs modern web technologies including asynchronous JavaScript loading and Matomo analytics configured to disable cookies, indicating a privacy-conscious approach. The site is served over HTTPS with good performance and mobile optimization, though no explicit CMS or hosting provider details are evident. Accessibility is basic but functional, and SEO practices appear adequate. From a security perspective, the site benefits from HTTPS and privacy-aware analytics but lacks explicit security headers, a published privacy or cookie policy, and a vulnerability disclosure mechanism. Contact information is clearly provided, enhancing trust. The WHOIS data shows eco-friendly hosting consistent with the organization's mission but lacks detailed registrant information, slightly reducing trustworthiness. Overall, the website is safe, professional, and credible with room for improvement in privacy compliance and security best practices. No adult or questionable content is present, and the site is fully accessible without WAF or blocking mechanisms.

Detected Technologies

Matomo AnalyticsJavaScript ES ModulesCSS StylesheetsLazy Loading Images

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

4 findings

25/100

NIS2 Compliance

9 findings

2/100

Email Security

4 findings

75/100

🧠AI Business Intelligence

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

Business Intelligence

Market & Strategic Analysis

CO2ero e.V. operates in the education and non-profit sectors, focusing on climate protection and sustainability education. Their business model revolves around providing workshops, campaigns, and educational materials to schools and related stakeholders. The organization leverages partnerships with recognized foundations and is endorsed by UNESCO's BNE 2030 program, enhancing its market position and credibility. Revenue streams likely include donations, grants, and membership fees. The target customers are educational institutions, educators, parents, and students interested in climate action. Growth indicators include active workshops, newsletters, and campaigns. The partnership ecosystem includes Waldorf-Stiftung, Software AG-Stiftung, and solar Lago, reflecting a strong network within the sustainability and education community.

Extracted Contact Information

Marketing Intelligence Data

Company Registration

Legal Name:

CO2ero e.V.

Registration Number:

VR 703946

Security Posture Analysis

Comprehensive Security Assessment

The website demonstrates a moderate to good security posture with mandatory HTTPS encryption and privacy-conscious analytics configuration (Matomo with disabled cookies). However, it lacks several security best practices such as explicit HTTP security headers (CSP, HSTS, X-Frame-Options), a published privacy and cookie policy, and a vulnerability disclosure or incident response contact. No vulnerabilities or exposed sensitive data were detected in the HTML content. The absence of these policies and headers represents compliance gaps, especially under GDPR and NIS2 frameworks. The organization should enhance its security posture by implementing these missing elements to improve trust and regulatory compliance.

Strategic Recommendations

Priority Actions for Security Improvement

1

Publish a comprehensive privacy policy and cookie policy with a user consent mechanism to ensure GDPR compliance.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

CO2ero e.V.

Description:

CO2ero e.V. is a non-profit organization focused on climate protection through education and sustainable development. They work with schools and educational institutions to promote climate action, offer workshops, and provide resources and campaigns to support sustainability goals.

Key Services:
Workshops on climate protection and sustainabilitySupport for schools to create climate action plansCampaigns like 'Standpunkt Klima' for greenhouse gas accountingOpen consultation hours for climate protection questionsProvision of educational materials and newsletters
Content Quality:

good

Branding:

consistent

Technical Stack

Technologies:
Matomo AnalyticsJavaScript ES ModulesCSS StylesheetsLazy Loading Images
Performance:

moderate

Mobile:

good

Accessibility:

basic

SEO:

good

Security Assessment

Security Score:
80/100
Best Practices:
  • HTTPS enforced
  • No cookies set by Matomo (disableCookies enabled)
  • Use of async and defer for scripts

Analytics & Tracking

Services:
Matomo
Tracking Level:minimal
Privacy Compliance:basic

Advertising & Marketing

Tracking Pixels:
Matomo
Marketing Tools:
Matomo Analytics
Transparency Level:good

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

25/100
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

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: energy, transport, digital

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📧Email Security

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

Email Security

SPF, DKIM, and DMARC validation

75/100
Score

DMARC not enforcing

MEDIUM

DMARC policy is set to "none"

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 a:mail.biohost.de -all
DNS Lookups:2/10
Policy:-all
DKIM Selectors Found
Selector:mail(1296-bit rsa)
DMARC Details
Policy:none
Subdomain Policy:none
Aggregate Reports:dmarc@co2ero.de
Forensic Reports:dmarc@co2ero.de

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

72/100
Score

Weak Protocols Supported

HIGH

Server supports weak protocols: TLSv1.1

OCSP Stapling Not Enabled

LOW

OCSP stapling improves performance and privacy

Certificate Transparency Not Implemented

LOW

Certificate is not logged in Certificate Transparency logs

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 70 days

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 Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

65/100
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 Transfer Lock Not Enabled

MEDIUM

Domain can be transferred without authorization

Domain Delete Lock Not Enabled

LOW

Domain can be deleted without additional verification

DMARC Policy Set to None

LOW

DMARC is configured but not enforcing any policy

Domain Registration Details

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

DNS Records

A Records:91.218.23.23
Name Servers:
ns1.green-internet.net
ns2.green-internet.net
ns3.green-internet.net
ns4.green-internet.net
MX Records:
10: mail.green-internet.net
SOA:Serial: 2025042200, TTL: 86400s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:52ms

SPF Analysis

SPF Record:
v=spf1 mx a:mail.biohost.de -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 co2ero.de compare?

See how co2ero.de 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 modern web technologies including asynchronous and deferred JavaScript loading, CSS stylesheets, and lazy loading for images to optimize performance. Matomo analytics is integrated with cookies disabled, reflecting a privacy-aware approach. The site is served over HTTPS, ensuring secure communication. No explicit CMS or hosting provider is identified from the HTML content. The site is mobile optimized with good navigation and SEO practices. However, the absence of explicit security headers and privacy policies indicates technical debt in security and compliance areas. Performance is moderate, with opportunities to improve accessibility and implement advanced SEO and security features.
Professional PDF & Marketing Data

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PDF Report & Export

PDF download, email delivery, unlock code

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

Domainco2ero.de
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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