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Security report for nominet.uk

Nominet · Technology · United Kingdom

Low risk. No critical or high findings.

Security score

89/100

Risk levelLow

0–100, higher is better. How it is calculated

Nominet is a well-established UK-based domain registry operator responsible for managing the .UK top-level domain since 1996. The website clearly positions Nominet as a guardian of UK domains, offering domain lookup, registry, and DNS services to businesses and internet users. The company operates as a public benefit entity with a focus on technology-driven positive impact. The site targets domain registrants, businesses, and stakeholders in the UK internet ecosystem. Technically, the website is built on WordPress with modern technologies including React and Google Tag Manager. It employs strong SEO practices, accessibility features, and cookie consent mechanisms to comply with privacy regulations. The site uses multiple analytics and tracking tools such as Google Analytics, Hotjar, and HubSpot, with a transparent cookie consent banner. From a security perspective, the site enforces HTTPS with DNSSEC enabled for domain security. It uses session and security cookies including Google reCAPTCHA to protect against spam. However, explicit security policies, incident response contacts, and vulnerability disclosure mechanisms are not published, representing an area for improvement. Overall, the website is professional, trustworthy, and compliant with privacy standards. The domain registration data aligns well with the business identity, indicating legitimacy. Strategic recommendations include publishing detailed security policies, adding incident response contacts, and enhancing HTTP security headers to further strengthen security posture.

Scanned

This is an earlier scan of nominet.uk. View the latest report

NIS2 and GDPR posture

GDPR outside view
83/ 100 · Low
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

No critical or high findings. These medium findings are worth fixing next.

  1. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • Medium

      Privacy policy may not be GDPR compliant

      Privacy policy lacks explicit GDPR compliance elements

      What to do: Update privacy policy to explicitly address GDPR requirements and user rights

  2. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Medium

      No DKIM record found

      DKIM adds cryptographic signatures to emails

      What to do: Configure DKIM with your email provider

    • Medium

      No MTA-STS Policy

      MTA-STS enforces TLS for email delivery

      What to do: Implement MTA-STS to prevent downgrade attacks

  3. DNS health

    DNS sends visitors and email to the right servers. Misconfigured records can cause outages or let someone redirect your traffic.

    • Medium

      DNSSEC Not Enabled

      DNSSEC is not configured for this domain

      What to do: Enable DNSSEC to prevent DNS spoofing attacks

      • CAPEC-142
      • RFC 4033
      • RFC 4035

Keep watching nominet.uk

This scan found 12 issues across 6 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

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  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
100
Security headers
95
Email security
70
DNS health
85
Network security
100
GDPR outside view
83
Average
89

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention nominet.uk, from OffSeq Breach.

Total records
31
Employees
0
Customers
30
Third parties
1
Weak passwords
26%

3 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for nominet.uk.

Select it in the checkout above.

Breach keeps ingesting new leaks, so these numbers can grow between scans.

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Nominet holds a strong market position as the authoritative registry for .UK domains, serving a critical role in the UK's internet infrastructure. Its business model revolves around registry services, DNS management, and security offerings to large organizations and the public. The company benefits from long-standing brand recognition and partnerships, such as directing new domain registrations to theukdomain.uk. Revenue streams likely include domain registration fees, registry services, and DNS solutions. The target customer segments include businesses, government entities, and domain registrants in the UK. The company demonstrates growth through digital maturity and a focus on public benefit and sustainability. The partnership ecosystem includes domain registrars and technology providers. Strategic observations highlight the importance of maintaining trust and compliance in a highly regulated domain space.

Security posture

Nominet's security posture is solid with HTTPS enforced and DNSSEC enabled, protecting domain integrity. The use of Google reCAPTCHA and session cookies indicates attention to bot mitigation and session management. Privacy compliance is strong with a comprehensive cookie consent mechanism and privacy policy. However, the absence of a published security policy, incident response plan, or vulnerability disclosure program limits transparency and readiness perception. No critical vulnerabilities or exposed sensitive data were detected in the website content. The security score is high but could be improved by formalizing security governance documents and providing direct security contact channels. Overall, the security culture appears mature but with room for enhanced communication and incident preparedness.

Recommendations

  1. Publish a dedicated security policy and incident response plan on the website.
  2. Implement and publicize a vulnerability disclosure program or security.txt file.
  3. Provide explicit security contact emails (e.g., security@ or abuse@) for incident reporting.
  4. Enhance HTTP security headers such as Content Security Policy (CSP), HSTS, and X-Frame-Options.
  5. Regularly audit and update third-party scripts and analytics tools to mitigate vulnerabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Nominet
Description
Nominet are the guardians of your domain. Running the .UK Domain Registry, improving lives through technology.
Key services
Domain registry services, DNS services, Domain lookup, Security and protection services
Content quality
excellent
Branding
consistent

Technology

Stack
WordPress, Yoast SEO, Google Tag Manager, React, jQuery, Cloudflare (likely for CDN and security), CookieYes (cookie consent management), Userway (accessibility widget)
Frameworks
React, WordPress Gutenberg blocks
Platforms
WordPress CMS
Performance
moderate
Mobile
good
Accessibility
good
SEO
excellent

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent with detailed categories
  • No exposed sensitive data in HTML
  • Use of security cookies (e.g. Google reCAPTCHA)
  • Session management cookies

Analytics and tracking

Services
Google Analytics, Hotjar, Snowplow, HubSpot
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Facebook Pixel, Hotjar, Snowplow, Crazyegg
Marketing tools
HubSpot
Transparency
good

Site quality

Design
excellent
User experience
excellent
Content relevance
excellent
Navigation
excellent
Professionalism
excellent
Trustworthiness
high

Key observations

  1. Website is professionally designed and well maintained
  2. Strong focus on privacy and cookie consent compliance
  3. Comprehensive domain lookup and registry services offered
  4. Use of modern web technologies and accessibility tools
  5. No signs of malicious or suspicious activity
  6. No explicit contact emails or phone numbers found in HTML, contact via form only
  7. No explicit security or incident response policies published
Technical notes

Notes

The website leverages a modern WordPress CMS with Gutenberg blocks and React components, indicating a contemporary and modular architecture. It integrates Google Tag Manager for analytics and marketing, and uses CookieYes for GDPR-compliant cookie consent management. Accessibility is enhanced via the Userway widget. Performance is moderate with CDN likely provided by Cloudflare, though explicit hosting details are not disclosed. SEO is well-optimized with Yoast SEO plugin and structured data (JSON-LD) for organization and webpage metadata. The site is mobile responsive and uses modern CSS and JavaScript libraries. Technical risks are minimal but depend on maintaining third-party dependencies and ensuring security headers are fully implemented.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

Earlier scans of this domain

  1. 72/100 −14Medium18 findingsView report
  2. 86/100Low21 findingsView report
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