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Is postoffice.co.uk a Scam? Security Check Results - Post Office Limited

postoffice.co.uk Security Report Summary

postoffice.co.uk received a security score of 40 out of 100 in Guard's comprehensive security analysis, classified as "Elevated Risk". This report covers Post Office Limited's website security posture. Post Office Limited operates in the Transportation industry in United Kingdom.

Post Office Limited operates a comprehensive UK-wide network providing postal, financial, travel, insurance, and identity services. The website reflects a mature digital presence with extensive service offerings and strong brand consistency. The company leverages multiple external partners for financial and travel services, integrating them seamlessly into their platform. Technically, the site uses Magnolia CMS, Akamai CDN, and common JavaScript libraries like jQuery, ensuring a robust infrastructure. However, the SSL/TLS configuration is critically flawed with an invalid certificate and no enabled TLS protocols, exposing users to security risks. Additionally, a subdomain takeover vulnerability exists on api.postoffice.co.uk, which could be exploited if not remediated. Privacy and cookie policies are comprehensive and GDPR compliant, supporting strong privacy practices. Overall, the site is professional and trustworthy but requires urgent security improvements to protect user data and maintain trust.

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

Technologies detected: jQuery, JavaScript, Akamai CDN, Medallia (customer feedback), Ensighten (tag management).

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 postoffice.co.uk Safe? Security Analysis for Post Office Limited

http://postoffice.co.uk

Check if postoffice.co.uk is a scam or legitimate. Free security scan and reviews.

TransportationUnited Kingdomenterprise
jQueryJavaScriptAkamai CDNMedallia (customer feedback)Ensighten (tag management)
Analyzed 6/15/2025Completed 1:01:20 AM9mo ago
40
Security Score
HIGH RISK

10,000+

Domains scanned

500+

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Domainpostoffice.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

AI Summary

Post Office Limited operates a comprehensive UK-wide network providing postal, financial, travel, insurance, and identity services. The website reflects a mature digital presence with extensive service offerings and strong brand consistency. The company leverages multiple external partners for financial and travel services, integrating them seamlessly into their platform. Technically, the site uses Magnolia CMS, Akamai CDN, and common JavaScript libraries like jQuery, ensuring a robust infrastructure. However, the SSL/TLS configuration is critically flawed with an invalid certificate and no enabled TLS protocols, exposing users to security risks. Additionally, a subdomain takeover vulnerability exists on api.postoffice.co.uk, which could be exploited if not remediated. Privacy and cookie policies are comprehensive and GDPR compliant, supporting strong privacy practices. Overall, the site is professional and trustworthy but requires urgent security improvements to protect user data and maintain trust.

Detected Technologies

jQueryJavaScriptAkamai CDNMedallia (customer feedback)Ensighten (tag management)

10 urgent findings need attention

3 critical · 7 high

  • + 2 more findings in the full report below
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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

70/100

GDPR Compliance

5 findings

33/100

NIS2 Compliance

8 findings

5/100

Email Security

1 finding

50/100

🧠AI Business Intelligence

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

Business Intelligence

Market & Strategic Analysis

The Post Office holds a strong market position as a national essential service provider in the UK, with a diversified business model spanning postal, financial, travel, and insurance sectors. Its extensive branch network and online presence cater to a broad customer base including individuals and businesses. Partnerships with Capital One, Western Union, and Holiday Extras enhance its service portfolio and revenue streams. The company demonstrates strategic use of digital tools for customer engagement and service delivery. Growth opportunities exist in further digital transformation and security enhancements to maintain competitive advantage and customer trust.

Extracted Contact Information

Marketing Intelligence Data

Physical Addresses (1)

Security Posture Analysis

Comprehensive Security Assessment

The website exhibits a moderate security maturity level with standard security headers implemented. However, the invalid SSL certificate and lack of TLS support represent critical vulnerabilities that undermine secure communications. The detected subdomain takeover risk further exposes the organization to potential attacks. Absence of explicit security policies and incident response contacts on the site indicates gaps in security governance and transparency. While privacy compliance is strong, the overall security posture requires immediate remediation of SSL/TLS issues and proactive vulnerability management to reduce business risk.

Strategic Recommendations

Priority Actions for Security Improvement

1

Immediately renew and correctly configure SSL certificates to enable HTTPS with modern TLS protocols.

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

70/100
Score

Weak Strict-Transport-Security configuration

LOW

Current value: "max-age=16000000; includeSubDomains; preload;"

Missing Content-Security-Policy header

HIGH

Controls resources the browser is allowed to load

Weak Referrer-Policy configuration

LOW

Current value: "no-referrer-when-downgrade"

Sensitive data may be cached

LOW

Cache-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

33/100
Score

No Cookie Consent Banner found

HIGH

GDPR requires explicit consent for non-essential cookies

Insufficient contact information

MEDIUM

GDPR requires organizations to provide clear contact details

No Data Protection Officer mentioned

LOW

Large organizations may need to designate a DPO under GDPR

Privacy policy may not be GDPR compliant

MEDIUM

Privacy policy lacks explicit GDPR compliance elements

No HTTPS encryption

CRITICAL

GDPR requires appropriate security measures for personal data

GDPR Compliance Analysis

Privacy Policy80% confidence
Cookie Policy80% confidence

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

5/100
Score

No HTTPS encryption

CRITICAL

NIS2 requires appropriate technical measures including encryption

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 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

50/100
Score

Email Security Check Incomplete

MEDIUM

Some email security checks timed out

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

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

0/100
Score

No HTTPS Encryption

CRITICAL

Website does not use HTTPS encryption, making all data transmission vulnerable to interception

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

Potential Subdomain Takeover

HIGH

Subdomain api.postoffice.co.uk points to unregistered service d-j3tivlq9bg.execute-api.eu-west-2.amazonaws.com

DNS Records

A Records:2.22.31.64, 2.22.31.34
AAAA Records:2a02:26f0:11a::5f65:1730, 2a02:26f0:11a::5f65:1762
Name Servers:
a1-59.akam.netDNS only
a12-65.akam.netDNS only
a13-67.akam.netDNS only
a2-64.akam.netDNS only
a24-64.akam.netDNS only
a5-64.akam.netDNS only
MX Records:
5: eu-smtp-inbound-1.mimecast.com
5: eu-smtp-inbound-2.mimecast.com

DNSSEC Status

DNSSEC Not Enabled

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 postoffice.co.uk compare?

postoffice.co.uk scores below average. Browse similar domains to see how competitors handle security.

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The website is built on Magnolia CMS and served via Akamai CDN, ensuring scalability and performance. Use of jQuery and custom JavaScript supports interactive features such as search and forms. External integrations with financial and travel partners are well embedded. Despite these strengths, the SSL/TLS configuration is severely lacking, with no valid certificate and no enabled TLS versions, which is a critical technical risk. Performance data is unavailable, but the use of CDNs and modern web design suggests moderate to good performance. Accessibility and SEO optimizations are evident through ARIA roles, structured data, and meta tags. Technical debt appears low but security misconfigurations pose a significant operational risk.
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

Domainpostoffice.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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