Privacy Policy

Information on how we process personal data

1. Controller

The controller within the meaning of the GDPR is:
Robert Freese
Katharinenberg 38
18439, Germany
Email: robert.freese@gmx.de

2. General Information on Data Processing

We process personal data only to the extent necessary to provide a functional website and our services. The processing of personal data generally takes place only on the basis of your consent or a legal authorization under the GDPR.

3. Server Access Logs

When you visit our website, your browser automatically transmits certain information to our server. This information is stored temporarily in log files. The following data may be collected:

Legal basis: Art. 6(1)(f) GDPR (legitimate interests). Our legitimate interests include ensuring the proper functioning, security and optimization of our website.

Storage period: Log files are usually stored for [7 / 14 / 30 days] and then deleted, unless longer retention is required due to specific security incidents.

4. DNSBL Lookup & Rate Limiting

When you use our “DNSBL Blacklist Check” tool, we process:

This data is processed solely to provide the requested functionality and to protect our service from misuse (for example, automated high-frequency requests).

Legal basis: Art. 6(1)(f) GDPR (legitimate interests). Our legitimate interests lie in maintaining a reliable and secure operation of our service.

5. Metrics & Monitoring

To monitor the stability and performance of our application, we use internal metrics and monitoring mechanisms (e.g. Spring Boot Actuator, Micrometer, Prometheus exporter). These tools collect aggregated technical data such as:

These metrics are evaluated in an aggregated, technical manner and are not used to identify individual users.

Legal basis: Art. 6(1)(f) GDPR (legitimate interests in system stability and performance).

6. Cookies and Similar Technologies

Currently, our website does not use any non-essential cookies or comparable technologies. If we integrate third-party services (such as advertising networks or analytics), additional cookies or similar technologies (e.g. local storage) may be used.

In such cases, non-essential cookies will only be used on the basis of your consent (Art. 6(1)(a) GDPR, in conjunction with national e-privacy rules). You can withdraw your consent at any time with effect for the future.

7. Advertising & Google AdSense (if enabled)

If we activate Google AdSense or similar advertising services, cookies and online identifiers may be used to display advertisements, prevent fraud and measure ad performance. Depending on your consent, Google may also display personalized ads.

Provider: Google Ireland Limited, Gordon House, Barrow Street, Dublin 4, Ireland. For certain services, data may also be processed by Google LLC, 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA.

Legal basis: The use of Google AdSense and related cookies is based on your consent pursuant to Art. 6(1)(a) GDPR. Data transfers to third countries (e.g. USA) may take place on the basis of your explicit consent under Art. 49(1)(a) GDPR.

8. Contact by Email

If you contact us by email, the data you provide (e.g. email address, name, message) will be processed in order to handle your inquiry.

Legal basis: Art. 6(1)(b) GDPR if the request is related to a contract or pre-contractual measures; otherwise Art. 6(1)(f) GDPR (legitimate interest in processing inquiries).

9. Your Rights

Under the GDPR, you have the following rights:

Where processing is based on your consent, you have the right to withdraw that consent at any time with effect for the future.

10. Right to Lodge a Complaint

You have the right to lodge a complaint with a supervisory authority, in particular in the EU member state of your habitual residence, your place of work or the place of the alleged infringement.

11. Changes to This Privacy Policy

We may update this privacy policy from time to time to reflect changes in our services or legal requirements. The latest version is always available on this page.