Subprocessor List

All third-party processors engaged by DMARCFlow to process personal data.

Last updated: March 28, 2026

This page lists all third-party subprocessors engaged by DMARCFlow (Ucar Solutions UG) to process personal data on behalf of customers. We maintain this list as a public record in accordance with Article 28 GDPR. Customers with general authorisation DPAs will be notified of material changes at least 30 days before a new subprocessor begins processing personal data.

Controller: Ucar Solutions UG (haftungsbeschränkt), Feldstraße 1, 65719 Hofheim am Taunus, Germany info [at] ucar-solutions.de

Website & Marketing

Subprocessor Purpose Data Categories Location Transfer outside EEA? Safeguard
Google Analytics
Google Ireland Limited
Gordon House, Barrow Street, Dublin 4, Ireland
dpo-google@google.com
Web analytics, usage statistics IP address, device/browser data, behavioural data EU (Ireland) + US Yes EU-US DPF + SCCs (fallback)
Google Ads
Google Ireland Limited
Gordon House, Barrow Street, Dublin 4, Ireland
dpo-google@google.com
Conversion tracking, advertising IP address, click IDs, hashed email (SHA-256) EU (Ireland) + US Yes EU-US DPF + SCCs (fallback)
Voiceflow
Voiceflow, Inc.
410 Adelaide St W, Suite 610, Toronto, Ontario M5V 1S8, Canada
security@voiceflow.com
AI chatbot / customer engagement Chat messages, user interactions Canada Yes SCCs + UK Addendum

Platform & Infrastructure

Subprocessor Purpose Data Categories Location Transfer outside EEA? Safeguard
Amazon Web Services (AWS)
Amazon Web Services EMEA SARL
38 Avenue John F. Kennedy, L-1855 Luxembourg
aws.amazon.com/compliance/gdpr-center
Email inbox (Amazon WorkMail) Email content and metadata (sender, recipient, subject, body) EU Possible (limited; customer controls region) SCCs (auto-incorporated in AWS Service Terms) + EU-US DPF
STRATO GmbH
STRATO GmbH
Otto-Ostrowski-Straße 7, 10249 Berlin, Germany
datenschutz@strato.de
Web hosting / server infrastructure All data processed by the application (IP addresses, request logs, stored data) Germany (Berlin + Karlsruhe) No AVV pursuant to Art. 28 GDPR (automatically concluded upon contract)
Sentry
Functional Software, Inc.
45 Fremont Street, 8th Floor, San Francisco, CA 94105, USA
compliance@sentry.io
Error tracking and application monitoring IP addresses, user IDs, error context, request data US (EU Frankfurt region available) Yes SCCs (Module 2/3) + EU-US DPF

Email Delivery

Subprocessor Purpose Data Categories Location Transfer outside EEA? Safeguard
Brevo
Sendinblue SAS
17 rue de Salneuve, 75017 Paris, France
dpo@brevo.com
Transactional & marketing email delivery Email address, name, email content France / Germany (EEA) Yes (US, India) SCCs + EU-US DPF

Payments

Subprocessor Purpose Data Categories Location Transfer outside EEA? Safeguard
Mollie
Mollie B.V.
Keizersgracht 126, 1015 CW Amsterdam, Netherlands
dpo@mollie.com
Payment processing, subscription billing Name, billing address, payment details, transaction data Netherlands (EEA) Yes (via Mollie sub-processors) SCCs

Optional Customer Integrations

These subprocessors are only engaged when a customer explicitly enables the integration. The customer acts as controller for the configuration and is responsible for ensuring an adequate legal basis and transfer mechanism applies for their chosen destination.

Subprocessor Purpose Data Categories Location Transfer outside EEA? Safeguard
Slack
Slack Technologies LLC
500 Howard Street, San Francisco, CA 94105, USA
feedback@slack.com
Optional alert notifications via customer-configured webhook Domain event data, alert messages, organisation name US Yes SCCs (slack.com/terms-of-service/data-processing)
PagerDuty
PagerDuty, Inc.
600 Townsend Street, Suite 200, San Francisco, CA 94103, USA
privacy@pagerduty.com
Optional incident alerting via customer-configured integration Alert event data, severity, organisation context US Yes SCCs (pagerduty.com/privacy-policy)
Customer-defined webhook endpoints
Defined by customer
Customer-configured event delivery to third-party systems DMARC event payloads, domain information Customer-defined Customer-defined Customer's responsibility as independent controller

Notes

  • Fonts: Font files are served from our own servers. No requests are made to Google Fonts or any external font CDN at runtime.
  • TinyMCE: Used for rich text editing in administration. Processed locally in the browser — no data is transmitted to Tiny servers.
  • SheetJS: Used solely for client-side Excel/CSV export. No data is transmitted to any external server.
  • OpenStreetMap: Map tile rendering for email geolocation visualisation. IP address and tile request parameters are processed. Processing location: UK / distributed tile CDN (UK adequacy decision applies).

Changes to This List

We review and update this list when subprocessors are added, removed, or change their processing details. Customers subscribed to general authorisation in their DPA will be notified at least 30 days before a new subprocessor begins processing personal data, giving time to object.

Questions about this list: info [at] ucar-solutions.de