Quad 101

Quad 101 Public DNS Service – Privacy Policy

Effective Date: 2025/08/04

1. Introduction

This Privacy Policy explains how Taiwan Network Information Center collects, uses, and protects information from users of its public DNS resolver service ("Service").

2. What We Collect

(1) Temporary DNS Logs

We collect minimal DNS-related data necessary to operate and secure the Service. This includes: - Source/Destination IP address and port number; - Query type and domain name; - Timestamps; and - Response data

(2) Permanent DNS Logs

The permanent logs are a sampling of the temporary DNS logs, which contain no personal information. The following information is collected and kept as permanent logs:

• Query type and domain name; and - Timestamps; and
• Response data

3. Data Retention

We retain Temporary DNS query data for a maximum of 30 days for performance monitoring and threat analysis, unless required longer by legal obligation or incident investigation.

4. Data Use

The collected data is used solely for: - Maintaining and optimizing resolver performance; - Detecting abuse or malicious activity;

• Conducting security analysis; and - Ensuring compliance with legal and regulatory requirements

5. Data Sharing

We do not sell or share individual user data. Aggregated or anonymized data may be shared with trusted partners for cybersecurity research or legal compliance if required.

6. Encryption and Security

We enable DNSSEC validation and use encryption protocols (such as DNS-over-HTTPS and DNS-over-TLS) to enhance user privacy and prevent tampering. Operational access to logs and infrastructure is tightly controlled.

7. Contact

For questions or concerns about this Privacy Policy, please contact: [email protected]