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Security report for doublclick.net

DoubleClick · Technology · N/a

Medium risk. 7 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

57/100

Risk levelMedium

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

The website doublclick.net presents itself as an informational site about the digital advertising platform DoubleClick, describing its services such as personalized advertising, real-time bidding, and machine learning-based optimization. However, the domain name is a misspelling of the official DoubleClick domain, which raises concerns about legitimacy. The site lacks critical elements such as privacy policies, contact information, and security disclosures, which diminishes its credibility. Technically, the site is built with standard HTML, CSS, and JavaScript, is mobile responsive, and includes tracking scripts from stats.computer.com, but lacks advanced security headers and DNSSEC. Overall, the site appears to be a placeholder or a domain-for-sale page with some marketing content rather than an official business site.

Scanned

This is an earlier scan of doublclick.net. View the latest report

NIS2 and GDPR posture

GDPR outside view
50/ 100 · Medium
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

7 findings rated critical or high. Fix these first.

  1. Security headers

    Security headers are instructions your web server sends to every visitor’s browser. Missing ones leave visitors more exposed to attacks such as clickjacking and injected scripts.

    • High

      Missing X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…

  2. GDPR outside view

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

    • High

      No Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

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

Keep watching doublclick.net

This scan found 23 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.

Daily monitoring

Recommended

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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
52
Security headers
30
Email security
85
DNS health
85
Network security
40
GDPR outside view
50
Average
57

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

Technical appendix

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

Business context

Business profile

The site targets advertisers and marketers interested in digital advertising solutions, positioning itself as a trusted industry leader in digital advertising innovation. The business model is focused on providing a platform for targeted ad delivery and campaign optimization. However, the lack of verifiable company information, contact details, and official branding suggests it is not the official DoubleClick platform. The domain age is consistent with a long-established business, but the misspelled domain and absence of trust indicators limit its business credibility. No partnerships or subsidiaries are identified.

Security posture

The website shows a low security maturity level with no visible security headers, no privacy or cookie policies, and no incident response information. DNSSEC is not enabled, and the domain status includes clientDeleteProhibited and clientTransferProhibited, which protect against unauthorized changes but do not enhance site security. The presence of external tracking scripts indicates moderate user tracking without clear privacy compliance. No critical vulnerabilities or malware indicators were found, but the lack of HTTPS enforcement information and security best practices is a concern.

Recommendations

  1. Enable DNSSEC and implement HTTPS with strict transport security headers to improve domain and site security.
  2. Publish comprehensive privacy and cookie policies to comply with GDPR and enhance user trust.
  3. Add clear contact information and incident response channels to improve transparency and security posture.
  4. Implement security headers such as Content-Security-Policy, X-Frame-Options, and Referrer-Policy.
  5. Clarify domain ownership and branding to avoid confusion with the official DoubleClick platform and improve business credibility.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
DoubleClick
Description
DoubleClick is a digital advertising platform that enables businesses to reach their target audience more effectively by leveraging machine learning and data analysis to optimize ad campaigns for better ROI.
Key services
Personalized ad creation, Real-time bidding, Ad campaign optimization, Data analysis and machine learning insights
Content quality
good
Branding
consistent

Technology

Stack
HTML5, CSS3, JavaScript
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
30/100

Analytics and tracking

Services
stats.computer.com
Tracking level
moderate
Privacy practices
poor

Advertising

Transparency
poor

Site quality

Design
good
User experience
good
Content relevance
good
Navigation
good
Professionalism
good
Trustworthiness
moderate

Key observations

  1. No privacy, cookie, or terms of service policies found.
  2. No contact information or forms available on the site.
  3. Site content is informational about DoubleClick but domain is misspelled and likely unofficial.
  4. No security headers or HTTPS status available from provided data.
  5. Site includes external links to sawsells.com (domain sale), computer.com (powered by), and tracking scripts from stats.computer.com.
  6. No social media or company contact emails or phone numbers found.
  7. No evidence of security or incident response policies.
  8. Site is mobile responsive and visually well designed.
  9. No adult or questionable content detected.
Technical notes

Notes

The website uses standard web technologies (HTML5, CSS3, JavaScript) and is mobile responsive with a clean, modern design. It includes external JavaScript tracking scripts from stats.computer.com but lacks advanced frameworks or CMS detection. Hosting provider details are not evident beyond the use of anydns.com nameservers. Performance is moderate with no broken elements detected. SEO optimization is basic with meta viewport and charset tags present but no Open Graph or structured data markup. Accessibility features are minimal but the site uses semantic HTML and responsive design.
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. 57/100Medium31 findingsView report
  2. 57/100Medium31 findingsView report
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