Is deadlinkchecker.com Safe? Security Analysis for DLC Websites
https://deadlinkchecker.comCheck if deadlinkchecker.com is a scam or legitimate. Free security scan and reviews.
Below Technology avg (72)
10,000+
Domains scanned
500+
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SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
AI Summary
DeadLinkChecker.com is a specialized online service offering free and subscription-based tools to detect broken links on websites, targeting webmasters and SEO professionals. The business operates a niche service focused on website quality and SEO enhancement, with a freemium model that includes manual checking and automated scheduled scans. The website content is professional and consistent with its stated purpose, providing clear service descriptions and user testimonials. Technically, the site uses standard web technologies including JavaScript, CSS, and Google Analytics, with basic security measures such as HTTPS and a Content-Security-Policy header. However, the absence of additional security headers and cookie consent mechanisms indicates room for improvement in privacy compliance and security posture. The WHOIS data is notably missing or unregistered, which raises concerns about domain legitimacy despite the professional appearance of the site. Overall, the site scores well on content quality and usability but should address privacy and security gaps to enhance trust and compliance.
Detected Technologies
11 urgent findings need attention
2 critical · 9 high
- + 3 more findings in the full report below
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Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.
Security drift alerts
Risk score drops, new high-severity issues, and header hardening gaps
Compliance watch
GDPR / NIS2 posture changes with governance evidence snapshots
Infrastructure surface
Unexpected open services, SSL expiry, DNS & email authentication changes
Content & tracker intelligence
Marketing tech shifts, analytics drift, and AI recommendation updates
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Security Headers
7 findings
30/100
GDPR Compliance
4 findings
53/100
NIS2 Compliance
9 findings
2/100
Email Security
4 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The company behind DeadLinkChecker.com, identified as DLC Websites, appears to have been operating since 1999, focusing on SEO tools that help maintain website health by identifying broken links. Their market position is that of a niche provider offering accessible tools without requiring large SEO suites, appealing to small to medium-sized website owners and SEO professionals. Revenue likely derives from subscription packages for automated link checking services. The partnership ecosystem includes their own domain and blog subdomains, with no evident external business partners or subsidiaries. The business model emphasizes ease of use, free access, and incremental paid services, positioning them competitively in the SEO tools market. Growth indicators include the provision of multi-site and auto-check services, and integration of user accounts for enhanced features.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (2)
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate security maturity level with HTTPS enforced and a Content-Security-Policy header to upgrade insecure requests. The presence of CAPTCHA on form submissions helps mitigate automated abuse. However, the lack of additional security headers such as X-Frame-Options and X-Content-Type-Options, absence of a published security policy or incident response contacts, and missing cookie consent mechanisms indicate gaps in comprehensive security and privacy compliance. No vulnerabilities or exposed sensitive data were detected in the content. The missing WHOIS data and domain registration inconsistencies pose a reputational risk and warrant further investigation. Overall, the security posture is adequate for the service offered but could be significantly improved to align with best practices and regulatory requirements.
Strategic Recommendations
Priority Actions for Security Improvement
Implement additional HTTP security headers including X-Frame-Options, X-Content-Type-Options, and Referrer-Policy to enhance protection against common web attacks.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
DLC Websites
Dead Link Checker provides free and subscription-based online tools to check websites for broken links, helping webmasters and SEOs maintain website quality and SEO rankings.
good
consistent
Technical Stack
moderate
basic
basic
good
Security Assessment
- HTTPS enforced
- Content-Security-Policy header present
- Captcha on form submission
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenge.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Strict-Transport-Security header
HIGHForces HTTPS connections
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Missing Referrer-Policy header
LOWControls referrer information sent with requests
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
Sensitive data may be cached
LOWCache-Control header should include "no-store" for sensitive pages
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
No Data Protection Officer mentioned
LOWLarge organizations may need to designate a DPO under GDPR
Privacy policy may not be GDPR compliant
MEDIUMPrivacy policy lacks explicit GDPR compliance elements
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
Critical sector without clear security compliance
HIGHDetected sectors: transport, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
No BIMI Record
LOWBIMI displays brand logos in email clients
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
SPF Details
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Unable to retrieve SSL certificate
CRITICALCould not establish secure connection to retrieve certificate information
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
DNS Records
DNSSEC Status
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
Critical Service Exposed: RDP
CRITICALPort 3389 (RDP) is publicly accessible - RDP - Remote Desktop, prime ransomware target
How does deadlinkchecker.com compare?
deadlinkchecker.com scores below average. Browse similar domains to see how competitors handle security.
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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PDF Report & Export
PDF download, email delivery, unlock code
Marketing Intelligence
Contact emails, phone numbers & warm leads
Plan Comparison
| Feature | PDF Report | Marketing+ |
|---|---|---|
| Full security analysis | ||
| Professional PDF export | ||
| Email delivery | ||
| Lifetime access + unlock code | ||
| Contact emails & phones | — | |
| Marketing outreach data | — |
Already purchased?
Order summary
Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.
Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.
SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
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