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Security report for downdetectorapi.com

Downdetector · Technology · N/a

Medium risk. 9 critical or high findings in Email security, Security headers and 2 other checks.

Security score

59/100

Risk levelMedium

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

Downdetector API provides a RESTful interface for enterprises to integrate outage and incident data into their systems. The service is well documented with clear endpoint descriptions, authentication mechanisms, and usage guidelines. The technical infrastructure leverages modern web technologies and Cloudflare DNS for reliability. Security posture is solid with HTTPS and token-based authentication, though the site lacks published privacy and security policies. Overall, the platform is suitable for developers and businesses requiring real-time status monitoring data, with room for improvement in compliance transparency and security documentation.

Scanned

NIS2 and GDPR posture

GDPR outside view
35/ 100 · High
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

9 findings rated critical or high. Fix these first.

  1. 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.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  2. 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 Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • 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';…

  3. 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

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

Keep watching downdetectorapi.com

This scan found 25 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

€25per month

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

Email alerts on material changes and an exportable JSON history of every change.

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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
75
Security headers
15
Email security
60
DNS health
70
Network security
100
GDPR outside view
35
Average
59

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

Downdetector occupies a niche in the technology sector focused on outage detection and incident reporting. Its API service targets enterprise customers needing integration of status data. The business model centers on providing data feeds and alerting capabilities. The company demonstrates consistent branding and a professional online presence. Partnerships with the main Downdetector site and related cookbooks enhance its ecosystem. Growth potential lies in expanding API features and improving compliance and security transparency.

Security posture

The website enforces HTTPS and uses Bearer token authentication for API access, indicating a mature security approach. Rate limiting and recommendations for exponential backoff show attention to abuse prevention. However, the absence of security policies, incident response contacts, and vulnerability disclosure mechanisms represent gaps. No security headers were detected in the provided data, suggesting an opportunity to harden HTTP responses. Overall, the security posture is good but could be enhanced by publishing formal policies and implementing additional HTTP security headers.

Recommendations

  1. Enable DNSSEC to improve domain security and prevent DNS spoofing.
  2. Publish comprehensive privacy and cookie policies to enhance GDPR compliance.
  3. Add a security policy page and incident response contact information.
  4. Implement and document HTTP security headers such as CSP, HSTS, and X-Frame-Options.
  5. Provide a vulnerability disclosure program or security.txt file to encourage responsible reporting.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Downdetector
Description
The Downdetector API allows integration of Downdetector Enterprise data and alerting into existing tools. It provides RESTful HTTP endpoints with JSON responses for monitoring site statuses, companies, events, messages, and reports.
Key services
Site status details, Company outage data, Event and incident reporting, Message management, Geographical and network data
Content quality
good
Branding
consistent

Technology

Stack
HTML5, CSS3, JavaScript, jQuery, ReDoc (OpenAPI documentation), Cloudflare DNS
Frameworks
ReDoc
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Bearer token authentication for API
  • Rate limiting with 429 responses
  • Use of exponential backoff recommended

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Tracking pixels
noticeable.io
Marketing tools
noticeable.io
Transparency
basic

Site quality

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

Key observations

  1. The website is a professional API documentation portal for Downdetector Enterprise services.
  2. No privacy, cookie, or terms of service policies are found on the documentation site.
  3. Contact information such as emails or phone numbers are not present in the documentation content.
  4. Security best practices like HTTPS and token-based authentication are implemented.
  5. No explicit security policy or incident response information is published.
  6. No forms for data collection are present on the documentation page.
  7. External scripts and fonts are loaded from reputable sources.
  8. No advertising or affiliate marketing detected beyond a notification widget.
  9. The site is well structured with clear navigation and API endpoint descriptions.
Technical notes

Notes

The website uses a modern tech stack including HTML5, CSS3, JavaScript, jQuery, and ReDoc for API documentation rendering. Hosting leverages Cloudflare DNS for performance and reliability. The site is mobile optimized with responsive design and clear navigation. Performance is moderate with external dependencies on fonts and scripts from reputable CDNs. No CMS was detected, indicating a custom or static site approach. Technical debt appears low, but adding security headers and improving accessibility could further enhance the platform.
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

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