Privacy Policy

Last updated: May 2026

Overview

checkzone.dev ("we", "us", "the site") is a free online BIND zone file validation tool. This privacy policy explains what information we collect, how we use it, and your rights regarding that information.

Information We Collect

Zone File Data

When you use the validator, the zone file content you paste into the editor and the FQDN you enter are sent to our validation API for processing. This data is used solely to perform the validation and is not stored, logged, or retained after the validation is complete. We do not keep copies of your zone files.

Automatically Collected Information

When you visit the site, certain information is automatically collected through cookies and similar technologies:

• IP address (anonymised)
• Browser type and version
• Operating system
• Pages visited and time spent
• Referring website
• General geographic location (country/region level)

Google Analytics

We use Google Analytics 4 (measurement ID: G-QL2F6CRE1Q) to understand how visitors use the site. Google Analytics uses cookies to collect anonymous usage data. This helps us understand traffic patterns and improve the site.

Google Analytics may collect:

• Page views and navigation paths
• Session duration
• Device and browser information
• Approximate geographic location

You can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.

Google AdSense

We use Google AdSense to display advertisements on the site. Google AdSense uses cookies to serve ads based on your prior visits to this site and other websites. Google's use of advertising cookies enables it and its partners to serve ads based on your browsing activity.

You may opt out of personalised advertising by visiting Google Ads Settings. Alternatively, you can opt out of third-party cookies for advertising by visiting aboutads.info.

Cookies

This site uses the following types of cookies:

• Analytics cookies (Google Analytics) -- used to collect anonymous usage statistics
• Advertising cookies (Google AdSense) -- used to display relevant advertisements

We do not use any first-party cookies for tracking purposes. All cookies on this site are set by third-party services (Google).

Third-Party Services

The site uses the following third-party services that may collect data:

• Google Analytics -- website analytics (Google Privacy Policy)
• Google AdSense -- advertising (Google Advertising Policies)
• GitHub Pages -- website hosting (GitHub Privacy Statement)
• Cloudflare CDN -- content delivery for libraries

Your Rights

Depending on your location, you may have the following rights:

• The right to access information we hold about you
• The right to request deletion of your data
• The right to opt out of tracking and personalised advertising
• The right to lodge a complaint with a supervisory authority

Since we do not store any personal data beyond what is collected by Google Analytics and AdSense, exercising these rights primarily involves adjusting your browser and Google account settings as described above.

Children's Privacy

This site is not intended for children under 13 years of age. We do not knowingly collect personal information from children.

Changes to This Policy

We may update this privacy policy from time to time. Any changes will be posted on this page with an updated revision date.

Contact

If you have questions about this privacy policy, please visit our contact page or open an issue on our GitHub repository.