Abuse Policy

Prohibited Use

URLdn is committed to maintaining a safe and trustworthy service. The following activities are strictly prohibited:

Phishing and Impersonation

  • Creating short links that lead to phishing pages designed to steal credentials or personal information
  • Impersonating legitimate organizations, brands, or individuals to deceive users
  • Using URL fragments or parameters containing email patterns to trick users
  • Creating links that mimic login pages or request sensitive information

Malware and Malicious Content

  • Distributing malware, viruses, trojans, or other harmful software
  • Links to sites that automatically download malicious files
  • Exploiting vulnerabilities in browsers or operating systems

Spam and Abuse

  • Mass distribution of unsolicited commercial messages (spam)
  • Creating excessive numbers of short links to circumvent rate limits
  • Using automated tools or bots without permission
  • Engaging in link farming or artificial traffic generation

Illegal Activities

  • Links to illegal content or activities
  • Copyright infringement or intellectual property violations
  • Any activity that violates local, national, or international laws

Security Measures

URLdn implements multiple security measures to protect users:

  • URL Validation: Automatic screening of URLs for suspicious patterns, including email addresses and malicious parameters
  • Fragment Sanitization: Removal of URL fragments on redirect to prevent phishing attacks
  • Rate Limiting: Protection against abuse through request rate limits
  • Monitoring: Continuous monitoring and logging of suspicious activity
  • Blacklisting: Blocking of known malicious domains and patterns

Reporting Abuse

If you encounter a short link that violates this policy or poses a security risk, please report it immediately.

How to Report

Send detailed information to our abuse team:

Email: abuse@urldn.com

What to Include

  • The complete short URL (e.g., https://urldn.com/abc123)
  • Description of the abuse or security concern
  • Screenshots or evidence (if applicable)
  • Your contact information for follow-up

Response Time: We review all abuse reports within 24 hours and take appropriate action, which may include immediate link deactivation for severe violations.

Consequences

Violations of this abuse policy may result in:

  • Immediate removal and deactivation of the offending short link(s)
  • Suspension or permanent ban of user accounts
  • IP address blocking to prevent further abuse
  • Legal action in cases of serious violations or illegal activities
  • Reporting to appropriate authorities or affected parties

Updates to This Policy

URLdn reserves the right to update this abuse policy at any time to address new threats or concerns. Material changes will be communicated through our website.

Last Updated: February 2026

Contact

For questions about this policy or security concerns: