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Security report for nominet.uk

Nominet · Technology · United Kingdom

Medium risk. 1 critical or high finding in SSL/TLS.

Security score

72/100

Risk levelMedium

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

Nominet operates as the official registry for .UK domain names, providing domain registration and DNS services primarily for UK-based businesses and internet users. The company holds a strong market position as a trusted and established domain registry operator with a focus on security and public benefit. Their website reflects a mature digital presence with comprehensive service offerings and clear branding. Technically, the site is built on WordPress with modern SEO and analytics integrations, ensuring good performance and accessibility. Security posture is strong with HTTPS, DNSSEC, and cookie consent mechanisms, though explicit security policies and incident response contacts are not publicly detailed. Overall, the site is professional, trustworthy, and compliant with privacy regulations, supporting Nominet's role as a critical internet infrastructure provider.

Scanned

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

1 finding rated critical or high. Fix these first.

  1. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • Critical

      Unable to retrieve SSL certificate

      Could not establish secure connection to retrieve certificate information

      What to do: Check if the server is accessible and SSL/TLS is properly configured

Need hands-on remediation? Email guard@offseq.com

Keep watching nominet.uk

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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
0
Security headers
95
Email security
70
DNS health
85
Network security
100
GDPR outside view
83
Average
72

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.

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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's market positioning as the .UK domain registry operator gives it a competitive advantage in the UK internet infrastructure sector. Their business model centers on registry and DNS services, targeting domain registrants and enterprises requiring reliable domain management. Revenue streams likely include domain registrations, renewals, and DNS service subscriptions. The company maintains partnerships such as with theukdomain.uk for domain registrations. Growth indicators include ongoing investments in DNS security and open source funding. The website content and structure support a professional image aligned with their public benefit company status.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, DNSSEC, and a detailed cookie consent mechanism covering multiple categories. No exposed sensitive data or vulnerable libraries were detected. However, the absence of a dedicated security policy page and incident response contact information limits transparency. The use of multiple third-party analytics and marketing tools is managed with user consent, aligning with GDPR requirements. Overall, the security maturity is good but could be improved by publishing explicit security governance documents and vulnerability disclosure policies.

Recommendations

  1. Publish a dedicated security policy page outlining security governance and controls.
  2. Provide clear incident response contact channels such as security@ or abuse@ emails.
  3. Implement and publish a security.txt file to facilitate vulnerability disclosures.
  4. Add verified company contact emails and phone numbers prominently on the site.
  5. Regularly review and audit third-party scripts and cookies for security and privacy compliance.
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, Online domain account management
Content quality
excellent
Branding
consistent

Technology

Stack
WordPress, Yoast SEO plugin, Google Tag Manager, CookieYes consent management, HubSpot, Cloudflare Bot Management, Vimeo, Calendly, New Relic, Datadog, Snowplow Analytics, Hotjar, Crazy Egg
Frameworks
WordPress Gutenberg
Platforms
WordPress CMS
Performance
moderate
Mobile
excellent
Accessibility
good
SEO
excellent

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • DNSSEC enabled for domain
  • Cookie consent with detailed categories
  • No exposed sensitive data detected
  • Use of security cookies (e.g., session cookies, recaptcha)

Analytics and tracking

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

Advertising

Ad networks
AdvertServe
Tracking pixels
Facebook Pixel, HubSpot, Snowplow, Hotjar, Datadog, Crazy Egg
Marketing tools
HubSpot, Calendly
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-structured.
  2. Strong privacy and cookie compliance with detailed consent management.
  3. No direct contact emails or phone numbers found on main page; contact form available.
  4. Use of multiple analytics and marketing tools with consent mechanisms.
  5. No visible security policy or incident response information.
  6. WHOIS data is clean and consistent with business identity.
  7. No suspicious or malicious content detected.
  8. Website uses WordPress CMS with modern plugins and SEO optimizations.
Technical notes

Notes

The website is built on WordPress using the Gutenberg editor and enhanced with Yoast SEO for search optimization. It integrates Google Tag Manager, HubSpot, and other analytics tools for user behavior tracking and marketing. CookieYes manages cookie consent with granular categories, enhancing privacy compliance. The site is mobile-optimized and accessible, with modern fonts and responsive design. Hosting details are not explicit but likely involve CDN services such as Cloudflare. Performance is moderate, with room for optimization. The technical stack is modern and well-maintained, supporting the business's digital needs effectively.
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. 89/100 +3Low19 findingsView report
  2. 86/100Low21 findingsView report
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