Is co3.dk Safe? Security Analysis for Co3 webbureau
http://co3.dkCheck if co3.dk is a scam or legitimate. Free security scan and reviews.

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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
18 urgent findings need attention
9 critical · 9 high
- + 10 more findings in the full report below
Keep co3.dk 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
4 findings
75/100
GDPR Compliance
1 finding
88/100
NIS2 Compliance
8 findings
17/100
Email Security
4 findings
75/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Twoday positions itself as a significant player in the Danish digital consultancy and software services market, offering a broad portfolio of digital experience solutions. Their business model is B2B, focusing on delivering tailored digital solutions to enterprises. The company leverages partnerships with major platforms like Microsoft, Google, and HubSpot, integrating advanced analytics and marketing tools. The website's content and navigation reflect a professional approach aimed at attracting medium to large businesses. The lack of explicit contact information on the analyzed page suggests contact details may be located elsewhere or require user interaction. Twoday's use of extensive tracking and marketing technologies indicates a data-driven approach to customer engagement and lead generation.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a solid security posture with enforced HTTPS, multiple security headers, and a detailed cookie consent mechanism that complies with GDPR requirements. The use of Microsoft Application Insights and other analytics tools is balanced with privacy controls. No critical vulnerabilities or exposed sensitive data were detected in the HTML content. However, the absence of a visible security policy or incident response contact reduces transparency in security governance. The WHOIS data absence is a concern for domain registration transparency but does not directly impact the website's technical security. Overall, the site reflects good security hygiene suitable for a technology service provider.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a dedicated security policy page to enhance transparency and trust.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Twoday
Twoday Digital Experiences focuses on the entire customer journey and all digital touchpoints, transforming ideas into digital experiences.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- Cookie consent with granular controls
- No exposed sensitive data in HTML
- Use of security headers
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website uses HubSpot CMS with modern front-end frameworks.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Weak X-XSS-Protection configuration
LOWCurrent value: "1"
Weak Referrer-Policy configuration
LOWCurrent value: "same-origin"
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
Sensitive data may be cached
LOWCache-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
Privacy policy may not be GDPR compliant
MEDIUMPrivacy policy lacks explicit GDPR compliance elements
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider 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
DMARC not enforcing
MEDIUMDMARC policy is set to "none"
No BIMI Record
LOWBIMI displays brand logos in email clients
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
SPF Details
DKIM Selectors Found
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 88 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
Partial SSL/TLS Assessment
LOWCompleted 2 of 4 security checks due to time constraints
Certificate Details
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
Domain Transfer Lock Not Enabled
MEDIUMDomain can be transferred without authorization
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
DMARC Policy Set to None
LOWDMARC is configured but not enforcing any policy
Domain Registration Details
- •No domain protection locks enabled
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
Service Exposed: SSH
MEDIUMPort 22 (SSH) is publicly accessible - SSH - Secure but can be brute-forced
Critical Service Exposed: Telnet
CRITICALPort 23 (Telnet) is publicly accessible - Telnet - Unencrypted remote access
High-Risk Service Exposed: RPC
HIGHPort 135 (RPC) is publicly accessible - RPC - Windows RPC endpoint
High-Risk Service Exposed: NetBIOS
HIGHPort 139 (NetBIOS) is publicly accessible - NetBIOS - Windows file sharing
Critical Service Exposed: SMB
CRITICALPort 445 (SMB) is publicly accessible - SMB - Windows file sharing, high risk
Critical Service Exposed: MSSQL
CRITICALPort 1433 (MSSQL) is publicly accessible - MSSQL - Database server
Critical Service Exposed: Oracle
CRITICALPort 1521 (Oracle) is publicly accessible - Oracle - Database server
Critical Service Exposed: MySQL
CRITICALPort 3306 (MySQL) is publicly accessible - MySQL - Database server
Critical Service Exposed: RDP
CRITICALPort 3389 (RDP) is publicly accessible - RDP - Remote Desktop, prime ransomware target
Critical Service Exposed: PostgreSQL
CRITICALPort 5432 (PostgreSQL) is publicly accessible - PostgreSQL - Database server
Critical Service Exposed: Redis
CRITICALPort 6379 (Redis) is publicly accessible - Redis - In-memory database
High-Risk Service Exposed: Elasticsearch
HIGHPort 9200 (Elasticsearch) is publicly accessible - Elasticsearch - Search engine
Critical Service Exposed: MongoDB
CRITICALPort 27017 (MongoDB) is publicly accessible - MongoDB - NoSQL database
How does co3.dk compare?
co3.dk scores below average. Browse similar domains to see how competitors handle security.
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Marketing Intelligence
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Plan Comparison
| Feature | PDF Report | Marketing+ |
|---|---|---|
| Full security analysis | ||
| Professional PDF export | ||
| Email delivery | ||
| Lifetime access + unlock code | ||
| Contact emails & phones | — | |
| Marketing outreach data | — |
Already purchased?
Order summary
Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.
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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