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Security report for btc.us

Orange Domains · Technology · United States

Medium risk. 7 critical or high findings in Email security, Security headers and 2 other checks.

Security score

65/100

Risk levelMedium

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

BTC.US is a specialized platform offering decentralized .BTC domain registration and management secured by the Bitcoin blockchain through the Stacks protocol. The service targets blockchain enthusiasts and users seeking blockchain-anchored domain names with integration to Lightning Network for seamless Bitcoin payments. The website demonstrates a modern technical infrastructure leveraging Svelte framework and Stripe for payment processing, indicating a mature digital presence. Security posture is solid with HTTPS and domain transfer protections, though improvements such as DNSSEC and security headers are recommended. Privacy compliance is partial with a privacy policy linked externally but lacking cookie consent mechanisms. Overall, BTC.US presents a credible and professional service in the blockchain domain space with clear business focus and technical competence.

Scanned

NIS2 and GDPR posture

GDPR outside view
53/ 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. 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 Cookie Policy found

      GDPR requires clear information about cookie usage

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

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

Keep watching btc.us

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

€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
85
Security headers
15
Email security
60
DNS health
75
Network security
100
GDPR outside view
53
Average
65

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

BTC.US occupies a niche market in blockchain domain registration, leveraging Bitcoin's security and Stacks smart contracts. Its business model centers on domain sales and management with added value through Lightning Address integration. The company, Orange Domains, founded in 2016, shows consistent domain registration history and partnerships with Stacks and Hiro Systems. The platform appeals to a technically savvy audience interested in decentralized internet infrastructure. Revenue likely derives from domain registrations and related services. The partnership ecosystem includes Stacks blockchain and Hiro Systems, enhancing credibility and technical integration. Growth potential exists as blockchain domains gain adoption, though competition and regulatory factors may influence market dynamics.

Security posture

The website employs HTTPS and domain status protections to secure domain ownership and transactions. However, the absence of DNSSEC and missing security headers represent gaps that could expose users to DNS spoofing or clickjacking risks. No explicit security policy or vulnerability disclosure is present, but incident response contact is provided via email. Payment integration uses Stripe.js, a secure and reputable service. No exposed sensitive data or vulnerabilities were detected in the analysis. Overall, the security maturity is moderate with room for enhancements in DNS security and HTTP header policies to align with best practices and compliance requirements.

Recommendations

  1. Enable DNSSEC on the btc.us domain to enhance DNS security and prevent spoofing.
  2. Implement standard security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security.
  3. Add a visible cookie policy and consent mechanism to improve privacy compliance and user trust.
  4. Publish a dedicated security policy and vulnerability disclosure page to encourage responsible reporting and transparency.
  5. Regularly audit and update third-party libraries and dependencies to mitigate potential vulnerabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Orange Domains
Description
BTC.US offers decentralized .BTC domain registration and management secured on the Bitcoin blockchain via Stacks smart contracts. It enables users to claim, register, and manage multiple .BTC domains with integration to Lightning Addresses for Bitcoin payments.
Key services
.BTC domain registration, Domain management, Lightning Address integration, Web-bridge for DNS compatibility
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, Stripe.js, Clarity smart contracts (mentioned in content), Stacks blockchain
Frameworks
Svelte, Sapper
Platforms
Bitcoin, Stacks
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enforced
  • Client transfer/renew/delete/update prohibited domain status
  • No DNSSEC enabled (potential improvement area)
  • Use of Stripe.js for payments

Analytics and tracking

Tracking level
minimal
Privacy practices
basic

Advertising

Tracking pixels
Stripe
Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with rich content.
  2. Focus on decentralized .BTC domain registration secured by Bitcoin blockchain.
  3. Integration with Lightning Network for payments.
  4. Use of modern web technologies (Svelte, Stripe).
  5. Contact email btc.us@app.co provided for support and incident response.
  6. No explicit privacy or cookie banner found, but privacy policy and terms are linked externally.
  7. No phone numbers or physical addresses found.
  8. No security.txt or vulnerability disclosure page detected.
  9. No suspicious or malicious content detected.
Technical notes

Notes

The website is built on a modern JavaScript stack using Svelte and Sapper frameworks, delivering a responsive and performant user experience. Stripe.js integration supports secure payment processing. The site is mobile optimized with good SEO metadata and Open Graph tags for social sharing. However, no CMS is detected, indicating a custom-built solution. Hosting details are not explicit but the domain is registered with GoDaddy. Performance is moderate with room for optimization. Accessibility is basic but could be improved with ARIA roles and better keyboard navigation support. Overall, the technical infrastructure is solid and well-suited for the platform's blockchain domain services.
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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