Is nextdoor.nl Safe? Security Analysis for Nextdoor
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AI Summary
Nextdoor is a well-established technology company founded in 2008, operating a neighborhood-focused social networking platform that enables local communities in the Netherlands and other countries to share tips, buy and sell items, and engage socially. The website demonstrates a consistent brand presence and good content quality tailored to local neighborhood users. Technically, the site uses modern frameworks such as React, is hosted on Amazon Cloudfront CDN, and integrates Google Tag Manager and Google Sign-In for analytics and authentication, indicating a mature digital infrastructure. Security posture is generally good with HTTPS enabled and domain registration consistent with the business history; however, the absence of DNSSEC and security headers suggests room for improvement. Privacy compliance is limited as no explicit privacy or cookie policies were found in the provided content, and no contact information or incident response details are available, which could impact user trust and regulatory compliance. Overall, the site is professional and trustworthy but would benefit from enhanced transparency and security practices.
Detected Technologies
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Nextdoor holds a strong market position as a neighborhood social platform with international reach and localized country-specific domains. Its business model centers on community engagement and local commerce, targeting residents and local businesses. The company leverages partnerships and social media presence to enhance its ecosystem. Revenue streams likely include advertising and local business services. The platform's growth is supported by a large user base and consistent branding. Strategic observations include the need to improve privacy disclosures and security transparency to maintain competitive advantage and regulatory compliance.
Security Posture Analysis
Comprehensive Security Assessment
The website exhibits a moderate to good security maturity level with HTTPS enforced and domain registration transparency. However, the lack of DNSSEC and missing security headers such as Content-Security-Policy and Strict-Transport-Security reduce the overall security posture. No vulnerability disclosures or incident response contacts are published, which limits the ability to handle security incidents effectively. There is no evidence of exposed sensitive data or vulnerable libraries in the provided content. Compliance with GDPR is not clearly demonstrated on the site, and privacy policies are absent. The security culture appears to be basic but could be enhanced by adopting industry best practices and publishing clear security policies.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC on the domain to enhance DNS security and prevent spoofing.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Nextdoor
Nextdoor is an app for neighborhoods where users can get local tips, buy and sell items, and more. It is used by many communities throughout the Netherlands to strengthen their neighborhoods.
good
consistent
Technical Stack
fast
good
basic
good
Security Assessment
- HTTPS enabled
- Google site verification
- Facebook domain verification
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenge.
🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Weak Strict-Transport-Security configuration
LOWCurrent value: "max-age=0"
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
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
📧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
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
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
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings