Is co-sender.com Safe? Security Analysis for CO-SENDER
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Marketing Intelligence
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Plan Comparison
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| Lifetime access + unlock code | ||
| Contact emails & phones | — | |
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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
CO-SENDER is a small technology company specializing in cross-channel marketing software that integrates email, SMS, and social media platforms to help businesses manage and track their marketing campaigns efficiently. The company positions itself as a provider of a unified communication platform aimed at improving customer engagement and operational efficiency. Their website is professionally designed using Squarespace, featuring clear navigation, multimedia content, and social proof through testimonials and event participation. Technically, the site employs modern web technologies and tracking tools such as Google Analytics, Apollo, and Tawk.to live chat, ensuring moderate performance and good mobile optimization. Security posture is strong with HTTPS and HSTS enabled, though some security policies and incident response information are absent. Privacy compliance is basic, lacking a cookie consent mechanism and detailed GDPR disclosures. The WHOIS data is unavailable, which slightly impacts trust but is not uncommon for small SaaS providers. Overall, CO-SENDER presents a credible and functional online presence with room for improvement in privacy and security transparency.
Detected Technologies
10 urgent findings need attention
10 high
- + 2 more findings in the full report below
Keep co-sender.com 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
7 findings
35/100
GDPR Compliance
4 findings
53/100
NIS2 Compliance
8 findings
17/100
Email Security
3 findings
85/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
CO-SENDER operates in the competitive SaaS marketing technology sector, targeting businesses seeking integrated email, SMS, and social media marketing solutions. Their business model is subscription-based software delivery, focusing on ease of use with drag-and-drop email design, campaign scheduling, segmentation, and analytics. The company leverages event participation and social media channels to build brand awareness and credibility. Revenue streams likely include subscription fees and possibly custom enterprise solutions. The presence of a sales contact email indicates a direct sales approach for pricing inquiries. The company’s ecosystem includes partnerships or presence at major tech events such as TechCrunch Disrupt and Collision, enhancing market visibility. Growth indicators include active social media and marketing tool integrations. Strategic observations suggest focusing on enhancing privacy compliance and security transparency to strengthen market trust.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a mature security posture with enforced HTTPS and HSTS, reducing risks of man-in-the-middle attacks. No exposed sensitive data or vulnerable libraries were detected in the analysis. However, the absence of a published security policy, incident response contacts, and vulnerability disclosure mechanisms indicates gaps in security governance and transparency. The lack of cookie consent banners and detailed privacy policies may expose the company to compliance risks under GDPR and similar regulations. The use of third-party tracking and chat services is standard but requires clear user consent mechanisms. Overall, the security maturity is moderate, with technical controls in place but lacking comprehensive policy disclosures and user privacy safeguards.
Strategic Recommendations
Priority Actions for Security Improvement
Implement a visible cookie consent banner and detailed cookie policy to enhance privacy compliance.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
CO-SENDER
CO-SENDER is an email & SMS marketing platform to send messages worldwide, track results and manage subscriber data in a single place. Start sending beautiful emails & SMS today.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- HSTS enabled
- No exposed sensitive data detected
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
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
Weak Strict-Transport-Security configuration
LOWCurrent value: "max-age=15552000"
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Missing Referrer-Policy header
LOWControls referrer information sent with requests
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
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
No Data Protection Officer mentioned
LOWLarge organizations may need to designate a DPO under GDPR
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
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
Weak Protocols Supported
HIGHServer supports weak protocols: TLSv1.1
OCSP Stapling Not Enabled
LOWOCSP stapling improves performance and privacy
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
SSL Certificate Expires Soon
HIGHSSL certificate expires in 28 days
Mixed Content Detected
MEDIUM3 resources loaded over insecure HTTP
Partial SSL/TLS Assessment
LOWCompleted 3 of 4 security checks due to time constraints
Protocol Support
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
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
Domain Transfer Lock Not Enabled
MEDIUMDomain can be transferred without authorization
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
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
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does co-sender.com compare?
See how co-sender.com 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
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PDF Report & Export
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Marketing Intelligence
Contact emails, phone numbers & warm leads
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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