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Is nextdoor.co.uk a Scam? Security Check Results - Nextdoor

nextdoor.co.uk Security Report Summary

nextdoor.co.uk received a security score of 74 out of 100 in Guard's comprehensive security analysis, classified as "Moderate Risk". This report covers Nextdoor's website security posture. Nextdoor operates in the Technology industry in United Kingdom.

Nextdoor is a well-established social networking platform focused on local neighbourhood communities, primarily serving the United Kingdom in this instance. The platform enables users to share local tips, buy and sell items, and engage with their neighbours, positioning itself as a key player in the local community technology sector. The website demonstrates consistent branding and a professional design, targeting local residents and community members. Technically, the site uses modern web technologies including React, Google Tag Manager, and Amazon Cloudfront CDN, indicating a mature and scalable infrastructure. Mobile optimization and SEO practices appear adequate, supporting a good user experience. Security-wise, the site uses HTTPS and includes domain verification meta tags, but lacks visible security headers and explicit security policies or incident response contacts, which are areas for improvement. Privacy compliance is limited in the provided content, with no explicit privacy or cookie policies detected, which may pose compliance risks. Overall, the domain registration data supports the legitimacy of the business, showing a long-standing registration consistent with the company's history. Strategic recommendations include enhancing privacy and security disclosures, implementing security headers, and publishing vulnerability disclosure information to improve trust and compliance.

The security scan identified 23 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: React (implied by react-datepicker CSS), Google Tag Manager, Google Sign-In, Cloudfront CDN, Privacy Center SDK.

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 nextdoor.co.uk Safe? Security Analysis for Nextdoor

https://nextdoor.co.uk

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TechnologyUnited Kingdomlarge
React (implied by react-datepicker CSS)Google Tag ManagerGoogle Sign-InCloudfront CDNPrivacy Center SDK
Analyzed 8/1/2025Completed 6:27:05 PM8mo ago
74
Security Score
MEDIUM RISK

Above Technology avg (72)

10,000+

Domains scanned

500+

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Domainnextdoor.co.uk
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Lastadijas 12 k-3, Riga, Latvia, LV-1050

Reg. No. 40203410806 • VAT LV40203410806

Support: guard@offseq.com+371 2256 5353

AI Summary

Nextdoor is a well-established social networking platform focused on local neighbourhood communities, primarily serving the United Kingdom in this instance. The platform enables users to share local tips, buy and sell items, and engage with their neighbours, positioning itself as a key player in the local community technology sector. The website demonstrates consistent branding and a professional design, targeting local residents and community members. Technically, the site uses modern web technologies including React, Google Tag Manager, and Amazon Cloudfront CDN, indicating a mature and scalable infrastructure. Mobile optimization and SEO practices appear adequate, supporting a good user experience. Security-wise, the site uses HTTPS and includes domain verification meta tags, but lacks visible security headers and explicit security policies or incident response contacts, which are areas for improvement. Privacy compliance is limited in the provided content, with no explicit privacy or cookie policies detected, which may pose compliance risks. Overall, the domain registration data supports the legitimacy of the business, showing a long-standing registration consistent with the company's history. Strategic recommendations include enhancing privacy and security disclosures, implementing security headers, and publishing vulnerability disclosure information to improve trust and compliance.

Detected Technologies

React (implied by react-datepicker CSS)Google Tag ManagerGoogle Sign-InCloudfront CDNPrivacy Center SDK

6 urgent findings need attention

6 high

Continuous monitoring

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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

2 findings

85/100

GDPR Compliance

2 findings

73/100

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

Nextdoor operates in the technology sector as a social networking platform for neighbourhoods, with a business model likely based on advertising and business services. It targets local communities in the UK and internationally, leveraging a strong brand presence and social media integration. The company is mature, founded in 1999, and maintains consistent domain registration details. The platform's competitive advantage lies in its localized community focus and established user base. Growth indicators include multiple country-specific domains and active social media channels. The partnership ecosystem includes major platforms like Google and Facebook for verification and sign-in services. No direct contact or support channels were found in the analyzed content, which could be a strategic area to enhance customer engagement and trust.

Security Posture Analysis

Comprehensive Security Assessment

The website demonstrates a moderate security posture with HTTPS enabled and domain verification meta tags for Google and Facebook, which are positive trust signals. However, the absence of visible security headers such as Content-Security-Policy, X-Frame-Options, and others reduces the overall security maturity. There is no evidence of a published security policy, incident response contacts, or vulnerability disclosure mechanisms, which are important for transparency and readiness. No exposed sensitive data or vulnerable libraries were detected in the provided content. The site should improve by implementing comprehensive security headers, publishing security policies, and establishing clear incident response channels to enhance its security culture and compliance with regulations like GDPR and NIS2.

Strategic Recommendations

Priority Actions for Security Improvement

1

Implement and enforce security headers including Content-Security-Policy, X-Frame-Options, and X-XSS-Protection.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

Nextdoor

Description:

Nextdoor is an app and website for neighbourhoods where users can get local tips, buy and sell items, and more. It is used by many communities throughout the United Kingdom to strengthen their neighbourhoods.

Key Services:
Local tips sharingBuying and selling itemsNeighbourhood social networking
Content Quality:

good

Branding:

consistent

Technical Stack

Technologies:
React (implied by react-datepicker CSS)Google Tag ManagerGoogle Sign-InCloudfront CDNPrivacy Center SDK
Frameworks:
React
Platforms:
Web
Performance:

moderate

Mobile:

good

Accessibility:

basic

SEO:

good

Security Assessment

Security Score:
70/100
Best Practices:
  • Use of HTTPS (implied by https URLs)
  • Google and Facebook domain verification meta tags

Analytics & Tracking

Services:
Google Tag Manager
Tracking Level:moderate
Privacy Compliance:basic

Advertising & Marketing

Marketing Tools:
Privacy Center SDK
Transparency Level:basic

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 challenge.

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

85/100
Score

Weak Strict-Transport-Security configuration

LOW

Current value: "max-age=0"

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

73/100
Score

No Cookie Consent Banner found

HIGH

GDPR requires explicit consent for non-essential cookies

Privacy policy may not be GDPR compliant

MEDIUM

Privacy policy lacks explicit GDPR compliance elements

GDPR Compliance Analysis

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

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

17/100
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

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📧Email Security

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

Email Security

SPF, DKIM, and DMARC validation

85/100
Score

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 include:nextdoor.co.uk._nspf.vali.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
DNS Lookups:2/10
Policy:~all
DKIM Selectors Found
Selector:k1(1296-bit rsa)
DMARC Details
Policy:reject
Aggregate Reports:dmarc_agg@vali.email
Forensic Reports:dmarc_fail@nextdoor.com

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

82/100
Score

Weak Protocols Supported

HIGH

Server supports weak protocols: TLSv1.1

Certificate Transparency Not Implemented

LOW

Certificate is not logged in Certificate Transparency logs

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 Enabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

70/100
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

Domain Registration Details

Domain Age
26 years(mature)
Expiry Risk
low(expired)
Protection Level
none
Suspicious Indicators Detected
  • No domain protection locks enabled

DNS Records

A Records:18.165.140.117, 18.165.140.26, 18.165.140.47, 18.165.140.70
Name Servers:
ns-147.awsdns-18.comDNS only
ns-1475.awsdns-56.orgDNS only
ns-1821.awsdns-35.co.ukDNS only
ns-531.awsdns-02.netDNS only
MX Records:
10: mxb.mailgun.org
10: mxa.mailgun.org
SOA:Serial: 1, TTL: 86400s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:51ms

SPF Analysis

SPF Record:
v=spf1 include:nextdoor.co.uk._nspf.vali.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~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 nextdoor.co.uk compare?

See how nextdoor.co.uk 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 a modern technology stack with React as the front-end framework, supported by Google Tag Manager for analytics and Amazon Cloudfront as the CDN for content delivery. The presence of Google Sign-In indicates integration with third-party authentication services. Performance is moderate with preloading of fonts and scripts to optimize loading times. Mobile optimization is good, with responsive design elements and viewport meta tags. Accessibility is basic but could be improved with more explicit ARIA roles and semantic HTML. SEO is supported by proper meta tags including Open Graph and Twitter cards, as well as structured data in JSON-LD format describing the organization. Technical risks include the lack of visible security headers and incomplete privacy compliance disclosures.
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39.90 €one-time • Incl. 21% VAT

Marketing Intelligence

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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

Domainnextdoor.co.uk
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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