Privacy Policy

General Information

The following information provides a simple overview of what happens to your personal data when you visit this website. Personal data is any data that can personally identify you.

Controller

The controller responsible for data processing on this website is:

Blinktank GmbH Haupstr. 5L 10317 Berlin Germany

Email: hallo@amtsguide.de Phone: +49 30 23255886

The controller is the natural or legal person who alone or jointly with others determines the purposes and means of processing personal data.

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Server Log Files

The website provider automatically collects and stores information in server log files that your browser automatically transmits to us. These include:

• Browser type and version
• Operating system used
• Referrer URL (previously visited page)
• Hostname of the accessing computer
• Time of the server request
• IP address (anonymized after 7 days)

This data cannot be assigned to specific persons. This data is not merged with other data sources. The data is automatically deleted after 7 days.

Legal basis: Art. 6(1)f GDPR (legitimate interest in website security and functionality)

Umami Analytics (Opt-In)

We use Umami, a privacy-friendly, self-hosted analytics software. Umami is only activated after your explicit consent (opt-in).

What Umami collects:

• Page views (without personal data)
• Time spent on pages
• Approximate geographic region (country)
• Device type (desktop, mobile, tablet)

What Umami does NOT collect:

• No cookies
• No IP addresses
• No individual user profiles
• No personal data

Storage location: Own server in Germany (stats.amtsguide.de) Legal basis: Art. 6(1)a GDPR (consent) Retention period: 180 days

You can withdraw your consent at any time by reopening the cookie settings (link in footer).

Click Tracking for Supplier Links

When you click on a supplier link, the following is recorded:

• Click timestamp
• Clicked supplier (anonymized token)
• District (from URL)
• Language version (DE/EN)
• No IP address
• No personal data

Purpose: Performance proof for suppliers Legal basis: Art. 6(1)f GDPR (legitimate interest) Retention period: 90 days

Contact Form (if used)

When using the contact form, the following data is collected:

• Email address
• Message text
• Timestamp

Purpose: Processing your inquiry Legal basis: Art. 6(1)b GDPR (contract initiation) Retention period: Until inquiry is processed, then deleted

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Hetzner Cloud

This website is hosted by:

Hetzner Online GmbH Industriestr. 25 91710 Gunzenhausen Germany

Data processing: Server logs, website file storage Legal basis: Art. 6(1)f GDPR Location: Germany (EU)

Postmark (Email Delivery)

For email delivery, we use Postmark:

ActiveCampaign, LLC (Postmark) 1 N Dearborn St, Suite 500 Chicago, IL 60602, USA

Data processing: Email delivery, temporary storage of email addresses Legal basis: Art. 6(1)f GDPR Privacy Policy: https://postmarkapp.com/privacy-policy Data Transfer: Postmark processes data in the USA in compliance with the EU-US Data Privacy Framework

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You have the following rights regarding your personal data:

• Right to access (Art. 15 GDPR)
• Right to rectification (Art. 16 GDPR)
• Right to erasure (Art. 17 GDPR)
• Right to restriction of processing (Art. 18 GDPR)
• Right to data portability (Art. 20 GDPR)
• Right to object (Art. 21 GDPR)

To exercise your rights, please contact: hallo@amtsguide.de

Right to Complain

You have the right to file a complaint with a supervisory authority:

Berlin Commissioner for Data Protection and Freedom of Information Friedrichstr. 219 10969 Berlin Phone: +49 30 13889-0 Email: mailbox@datenschutz-berlin.de

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Your data will not be transferred to third parties, except:

• If legally required
• Necessary for contract fulfillment (e.g., hosting by Hetzner)
• You have expressly consented

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We use technical and organizational security measures:

• HTTPS encryption (TLS)
• Secure servers in Germany
• Regular security updates
• Access controls
• No cookies without consent

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We offer a newsletter via Substack, a US-based service.

Important: When you click "Subscribe on Substack," you are redirected to Substack's website. Substack collects and processes your email address according to their own privacy policy.

We do not collect your email address for the newsletter. The subscription relationship is directly between you and Substack.

Substack Privacy Policy: https://substack.com/privacy

Data Transfer to USA: Substack is based in the USA. Your data may be transferred to and processed in the USA. Substack is subject to US data protection regulations and has implemented measures to protect your data.

Your Rights: To unsubscribe or request data deletion, contact Substack directly or use the unsubscribe link in any newsletter.

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Status: December 2025 Last updated: 2025-12-18

Note: The German version (Datenschutzerklärung) is the legally binding document.