Sovereignty Scan
Scanning domain: koalendar.com
We are checking DNS, hosting, detected tools and EU alternatives. Large sites can take a moment on the first request.
Sovereignty Scan
Scanning domain: koalendar.com
We are checking DNS, hosting, detected tools and EU alternatives. Large sites can take a moment on the first request.
19 of 23 detected tools fall under ( reach).
We show the 3 easiest switches with matching EU alternatives.
Assessment
High CLOUD Act risk. Booking, marketing, and hosting run through providers with US ties.
Personal Data
HochContact, appointment and customer data in US tools.
Marketing Data
HochTracking, email lists, conversion data.
Infrastructure
HochHosting, CDN, DNS and email delivery.
The 3 biggest levers for koalendar.com
Sorted by impact per effort. The first switch typically delivers more than the next two combined.
Terminbuchung · YouCanBookMe Ltd (UK)
More than a fine
Fines make headlines, but rarely balance sheets. They arrive late, selectively, and are negotiable. What US tools cost you sooner is the sum of lost tenders, suspicious enterprise clients, a growing audit backlog, personal liability for your management, and a tool that could be shut down tomorrow with a single executive order.
Procurement
Federal, state, and enterprise procurement now make "EU hosting" and "CLOUD Act-free" knockout criteria. A single US tool in your stack is enough for disqualification — without ever making the shortlist.
by 2027
Federal administration sovereignty roadmap (BMI, "Sovereign IT 2027")
Trust & Churn
Since Schrems II, every serious procurement department checks the DPA annex. A US logo under "subprocessor" means a renewal negotiation — or a lost deal you never see as a lost deal.
73%
of GDPR-aware B2B buyers check subprocessors (Gartner, 2024)
Operational Burden
Every US tool requires its own Data Protection Impact Assessment, Standard Contractual Clauses, and a Transfer Impact Assessment. With every subprocessor change, the audit cycle restarts — usually unnoticed.
8–16 h
effort per tool and audit cycle, recurring
Management Liability
Under corporate governance law, those who ignore the state of the art are liable with personal assets, not the company treasury. D&O insurance regularly excludes GDPR intent and gross negligence.
Personal assets
of management in case of damage
Geopolitics
CLOUD Act, OFAC sanctions, a new Schrems ruling: when Washington pulls the plug, there is no transition period. Real precedent: in 2025, Microsoft blocked International Criminal Court accounts on US orders.
0 days
transition period for US embargo or account lockout
And when the authority does knock
Authorities in Germany investigate slowly but increasingly systematically. The expected value is lower than the headline, but the reach is not.
€50,000
realistic risk · max. €200,000 (Art. 83 (5) GDPR, up to 4% of annual revenue)
Detected Tools · 23 found
| Tool | Category | Hosting | Owner | Risk | EU Alternative |
|---|---|---|---|---|---|
YouCanBookMe Skript / Iframe → youcanbook.me | Terminbuchung | AWS EU-West-1 | YouCanBookMe Ltd UK | Mittel | |
HubSpot Skript / Iframe → js-eu1.hs-scripts.com | CRM / Formulare | AWS US-East-1 | HubSpot Inc. US · CLOUD Act DPF | Hoch | |
Senja Skript / Iframe → .senja.io/ | CRM / Marketing Automation | Cloudflare | Senja Global | Niedrig | |
Typeform Skript / Iframe → embed.typeform.com | Formulare | AWS EU-West-1 (Irland) | Typeform S.L. ES | Mittel | · |
Google Meet Datenschutz-Erklärung erwähnt Google Meet | Video-Konferenzen | Google Cloud (Global) | Alphabet Inc. US · CLOUD Act DPF | Mittel | |
 Amazon SES SPF-ASN → AMAZON-AES - Amazon.com, Inc., US | Transaktions-E-Mail | AWS (Region je nach Account) | Amazon Web Services Inc. US · CLOUD Act DPF | Hoch | |
Amazon Web Services Datenschutz-Erklärung erwähnt Amazon Web Services | Hosting / Compute | AWS (Region je nach IP) | Amazon Web Services Inc. US · CLOUD Act DPF | Mittel | |
 Fastly HTTP-Header x-served-by → cache-lcy-egml8630048-LCY | CDN | Fastly Edge (Global) | Fastly Inc. US · CLOUD Act | Mittel | |
Google Analytics JS-Bundle → G-91FCDE7DFN | Analytics | Google Cloud (Global) | Alphabet Inc. US · CLOUD Act DPF | Hoch | |
Google Call Conversion Tracking JS-Bundle → gstatic.com/call-tracking/call-tracking_"+(xK.op||xK.rr)+".… | Anruf-Conversion-Tracking | Google Cloud US | Google LLC US · CLOUD Act | Hoch | |
Google Cloud Datenschutz-Erklärung erwähnt Google Cloud | Hosting / Compute | Google Cloud (Global) | Alphabet Inc. US · CLOUD Act DPF | Mittel | |
Google Mail Sending SPF → _spf.google.com | Ausgehender E-Mail-Versand | Google Cloud (Global) | Alphabet Inc. US · CLOUD Act DPF | Hoch | |
Google Sign-in Datenschutz-Erklärung erwähnt Google Sign-in | Identitäts- / Login-Dienst | Google Cloud US | Google LLC US · CLOUD Act | Hoch | |
Google Tag Manager Skript / Iframe → googletagmanager.com/gtm.js | Tag Management | Google Cloud (Global) | Alphabet Inc. US · CLOUD Act DPF | Hoch | |
Google Workspace MX-Record → alt1.aspmx.l.google.com | Office-Suite / E-Mail | Google Cloud (Global) | Alphabet Inc. US · CLOUD Act DPF | Hoch | |
Help Scout Datenschutz-Erklärung erwähnt Help Scout | Helpdesk | AWS US | Help Scout PBC US · CLOUD Act | Hoch | |
INBOX Datenschutz-Erklärung erwähnt INBOX | E-Mail-Marketing | Cloudflare | Inbox.com Global | Niedrig | |
jsDelivr Skript / Iframe → cdn.jsdelivr.net | JavaScript-CDN | Multi-CDN: Cloudflare, Fastly, Bunny, G-Core (load-balanced) | Prospect One sp. z o.o. (jsDelivr-Maintainer) EU · CLOUD Act | Mittel | |
Meta-Pixel JS-Bundle → connect.facebook.net/en_US/fbevents.js | Tracking-Pixel | Meta (Global) | Meta Platforms Inc. US · CLOUD Act DPF | Hoch | |
Microsoft Advertising JS-Bundle → bat.bing.com/bat.js | Werbe-Tracking (Bing Ads) | Azure US | Microsoft Corporation US · CLOUD Act | Hoch | |
Microsoft Clarity Skript / Iframe → clarity.ms | Heatmaps / Session-Replay | Azure (Global, EU-Region möglich) | Microsoft Corp. US · CLOUD Act | Hoch | |
Mixpanel Skript / Iframe → cdn.mxpnl.com | Product Analytics | GCP US | Mixpanel Inc. US · CLOUD Act | Hoch | |
Wistia Skript / Iframe → fast.wistia.com | Video-Hosting | AWS US | Wistia Inc. US · CLOUD Act | Mittel |
YouCanBookMe
Terminbuchung
EU Alternative
+2HubSpot
CRM / Formulare
EU Alternative
+2Senja
CRM / Marketing Automation
EU Alternative
+2Typeform
Formulare
Google Meet
Video-Konferenzen
EU Alternative
+2Amazon SES
Transaktions-E-Mail
EU Alternative
+2Amazon Web Services
Hosting / Compute
EU Alternative
+2Google Analytics
Analytics
EU Alternative
+2Google Call Conversion Tracking
Anruf-Conversion-Tracking
EU Alternative
+2Google Cloud
Hosting / Compute
EU Alternative
+2Google Mail Sending
Ausgehender E-Mail-Versand
EU Alternative
+2Google Sign-in
Identitäts- / Login-Dienst
EU Alternative
+2Google Tag Manager
Tag Management
EU Alternative
+2Google Workspace
Office-Suite / E-Mail
EU Alternative
+2jsDelivr
JavaScript-CDN
EU Alternative
+2Meta-Pixel
Tracking-Pixel
EU Alternative
+2Microsoft Advertising
Werbe-Tracking (Bing Ads)
EU Alternative
+2Microsoft Clarity
Heatmaps / Session-Replay
EU Alternative
+2Terminbuchung
Eight pages: legal classification per tool, migration effort, prioritized roadmap. Ready to use in the boardroom or with your Data Protection Officer.
The DPO decides on DPAs, TIAs, and subprocessor approvals. With one click, they receive a compact summary of this scan, directly in their inbox.
Share Kit · for LinkedIn, X, TikTok & more
A card with logo, grade, and detected tools. On LinkedIn and X it auto-renders large; for TikTok & Reels there's a 9:16 format to download.
Suggested text
I just ran koalendar.com through meetergo's Sovereignty Scan. Result: Grade E (23/100). 19 of 24 detected tools fall under US jurisdiction (CLOUD Act reach). Detected US tools: HubSpot, Senja, Google Meet, Amazon SES + 15 more. The score is a risk indicator, not a GDPR verdict — but exactly the overview I want on the table at the next third-country transfer discussion. How sovereign is your own web stack?
Ends with a question on purpose — the algorithm likes questions.
Trust page, footer, RFP response. Updates automatically after every re-scan. Clicking the image opens the full report.
<a href="https://scan.meetergo.com/de/r/koalendar.com" target="_blank" rel="noopener" aria-label="koalendar.com: Sovereignty-Score E – meetergo Sovereignty Scan"> <img src="https://meetergo.com/scan/api/og?domain=koalendar.com&grade=E&score=23&tools=24&us=19&logo=koalendar.com&theme=light&eu=22&tools_list=HubSpot%2CSenja%2CGoogle+Meet%2CAmazon+SES" alt="koalendar.com: Sovereignty-Score E – meetergo Sovereignty Scan" width="600" height="315" loading="lazy" style="max-width:100%;height:auto;border-radius:14px;border:1px solid #e5e5e5" /> </a>
Embed Badge
Switch two US tools, re-scan. The code below will then show the new grade.
<a href="https://scan.meetergo.com/de/r/koalendar.com" target="_blank" rel="noopener" aria-label="Sovereignty Score: E – koalendar.com">
<iframe src="https://scan.meetergo.com/scan/api/badge/koalendar.com?variant=card&theme=light" width="360" height="240"
title="Sovereignty Score: E – koalendar.com" loading="lazy"
style="border:0;display:block;max-width:100%"
sandbox="allow-popups allow-popups-to-escape-sandbox"></iframe>
</a>YouCanBookMe ist UK-Unternehmen, Drittlandtransfer-Bewertung nach DSGVO erforderlich.
Instead
meetergo
Gleicher Funktionsumfang, Server in Frankfurt, DSGVO-konform, inkl. 1-Klick-Import aus Calendly.
CRM / Formulare · HubSpot Inc. (US)
Formular- und CRM-Daten werden über HubSpot in die USA übertragen.DPF notice: Vendor is listed in the . Third-country transfer is covered, but exposure remains.
Instead
meetergo
Lite-CRM mit Kontakten, Notizen und Pipeline, direkt mit Buchungen verknüpft.
CRM / Marketing Automation · Senja (Global)
Senja erkannt. Jurisdiktion und Subprozessoren prüfen.
Instead
meetergo
Lite-CRM mit Kontakten, Notizen und Pipeline, direkt mit Buchungen verknüpft.
24entries
19TIAs
24DPAs
Legal basis: GDPR Art. 28, 30, 44 ff. · EDPB Recommendations 01/2020 (Schrems II).
Sorted by effort. Expand a row for details.
Terminbuchung
Buchungsstrecken, Verfügbarkeiten und Kalender-Sync lassen sich i.d.R. per Export/CSV oder API in den EU-Ersatz übertragen.
Time-to-Value: Migration in 1–2 Werktagen
Formulare
Der 1-Klick-Import übernimmt Forms, Branching-Logik und Skip-Logic direkt aus Typeform in meetergo Smart Forms, Routing-Regeln und Lead-Felder bleiben erhalten.
Time-to-Value: Live in <1 Tag dank 1-Klick-Import
CRM / Formulare
Native HubSpot-Integration: Kontakte, Deals und Properties syncen bidirektional.
Time-to-Value: Integration in 1 Werktag
CRM / Marketing Automation
CRM-Migration via natives Export-Tool oder API; Kontakte, Deals, Properties bleiben erhalten. Aufwand entsteht durch Workflow-Rebuild.
Time-to-Value: 2–6 Wochen
Video-Konferenzen
Heute integrierbar (Zoom/Teams/Meet bleiben). Vollmigration zu meetergo Connect oder OpenTalk: Endgeräte konfigurieren, Aufzeichnungs-Policies anpassen.
Time-to-Value: Sofort (Integration) / 2–4 Wochen (Vollmigration)
Transaktions-E-Mail
API-Endpoint umbiegen, DKIM/SPF auf den neuen Sender anpassen, E-Mail-Templates portieren. DKIM-Validierung ist der pfadkritische Schritt.
Time-to-Value: 1–2 Wochen
Analytics
Tag austauschen, Goals/Ziele neu konfigurieren, ggf. Daten via API/BigQuery für Vergleichsperiode exportieren.
Time-to-Value: 1–2 Wochen
Anruf-Conversion-Tracking
Tag austauschen, Goals/Ziele neu konfigurieren, ggf. Daten via API/BigQuery für Vergleichsperiode exportieren.
Time-to-Value: 1–2 Wochen
Ausgehender E-Mail-Versand
API-Endpoint umbiegen, DKIM/SPF auf den neuen Sender anpassen, E-Mail-Templates portieren. DKIM-Validierung ist der pfadkritische Schritt.
Time-to-Value: 1–2 Wochen
Tag Management
Tag austauschen, Goals/Ziele neu konfigurieren, ggf. Daten via API/BigQuery für Vergleichsperiode exportieren.
Time-to-Value: 1–2 Wochen
Helpdesk
Chat-Verläufe per Export/API ziehen (für Compliance-Archiv), Snippet austauschen, Routing/Kanäle in EU-Tool nachbauen.
Time-to-Value: 1–2 Wochen
E-Mail-Marketing
API-Endpoint umbiegen, DKIM/SPF auf den neuen Sender anpassen, E-Mail-Templates portieren. DKIM-Validierung ist der pfadkritische Schritt.
Time-to-Value: 1–2 Wochen
Tracking-Pixel
Tag austauschen, Goals/Ziele neu konfigurieren, ggf. Daten via API/BigQuery für Vergleichsperiode exportieren.
Time-to-Value: 1–2 Wochen
Werbe-Tracking (Bing Ads)
Tag austauschen, Goals/Ziele neu konfigurieren, ggf. Daten via API/BigQuery für Vergleichsperiode exportieren.
Time-to-Value: 1–2 Wochen
Heatmaps / Session-Replay
Tag austauschen, Goals/Ziele neu konfigurieren, ggf. Daten via API/BigQuery für Vergleichsperiode exportieren.
Time-to-Value: 1–2 Wochen
Product Analytics
Tag austauschen, Goals/Ziele neu konfigurieren, ggf. Daten via API/BigQuery für Vergleichsperiode exportieren.
Time-to-Value: 1–2 Wochen
Video-Hosting
meetergo ersetzt kein Video-Hosting. Quick-Win: Privacy-Embed (z.B. youtube-nocookie.com) mit Consent-Gate. Vollwechsel: EU-Video-Hosting (Vimeo EU-Region, Bunny Stream EU/Slowenien, selbst gehostetes Peertube). Embeds und Player-IDs austauschen.
Time-to-Value: 1–3 Werktage pro Plattform (Embed-Swap)
Terminbuchung
Buchungsstrecken, Verfügbarkeiten und Kalender-Sync lassen sich i.d.R. per Export/CSV oder API in den EU-Ersatz übertragen.
Time-to-Value: 1–3 Werktage
Hosting / Compute
DevOps-Projekt: IaC (Terraform/Pulumi) auf europäischen Anbieter migrieren, Daten via Transfer-Service, am Ende DNS-Cutover. Greenfield-Workloads sind schneller als Migrationen.
Time-to-Value: 2–6 Monate
CDN
DNS auf neuen CDN umstellen (TTL vorher senken), Cache-Regeln und WAF-Policies portieren, Origin-IPs ggf. neu verstecken.
Time-to-Value: 1–2 Wochen
Hosting / Compute
DevOps-Projekt: IaC (Terraform/Pulumi) auf europäischen Anbieter migrieren, Daten via Transfer-Service, am Ende DNS-Cutover. Greenfield-Workloads sind schneller als Migrationen.
Time-to-Value: 2–6 Monate
Identitäts- / Login-Dienst
MX-Cutover mit Doppelbetrieb in der Übergangsphase; Mail-Migration via IMAP, Kalender und Drive-Files separat.
Time-to-Value: 4–8 Wochen
Office-Suite / E-Mail
MX-Cutover mit Doppelbetrieb in der Übergangsphase; Mail-Migration via IMAP, Kalender und Drive-Files separat.
Time-to-Value: 4–8 Wochen
JavaScript-CDN
DNS auf neuen CDN umstellen (TTL vorher senken), Cache-Regeln und WAF-Policies portieren, Origin-IPs ggf. neu verstecken.
Time-to-Value: 1–2 Wochen
Fastest lever: Booking & lead routing. Infrastructure (hosting, DNS, CDN) is a separate project.
Operational Signals
Five operational signals that any DNS resolver or TLS handshake exposes. They show who's behind the domain — even when the brand promises something different.
Cookies the server sets on the very first visit, before anyone clicks a cookie banner.
Cryptographic signature of DNS responses. Prevents attackers from redirecting the domain to malicious servers.
Encrypts the connection between browser and website. The Certificate Authority (CA) guarantees the domain belongs to the stated owner.
Who actually owns the website's IP address. Shows the real hosting corporation, even if the contractual partner is different.
Hostname the IP points back to. Often unset for Anycast CDNs (Cloudflare, Vercel).
Capped per bucket, low-confidence hits weighted half, EU vendors not deducted.
Total deductions: −80 · Sovereignty bonus: +3
0 cookie(s) set before consent.
The Sovereignty Scan evaluates publicly accessible signals (homepage and legal page HTML, DNS, MX, SPF, and ASN data) and compares them against our database of approximately 3,000 vendors. The mapping of tools to owners and jurisdictions is based on public sources (legal notices, privacy policies, Wappalyzer, RIPE/ARIN registrations) and is intended as a first indication at the time of evaluation, not a legally binding assessment.
The A–E grade is a risk indicator, not a GDPR compliance verdict. For a concrete GDPR assessment — especially regarding Data Processing Agreements (DPA), Standard Contractual Clauses (SCC), and Transfer Impact Assessments (TIA) — please consult your Data Protection Officer or external legal counsel. meetergo makes no claim as to whether a specific vendor can be used in a GDPR-compliant manner in any particular use case.
Correction & Response: If you are the domain owner, Data Protection Officer, or press office of the assessed domain and the signals shown here do not reflect your current tool configuration, we welcome corrections and will update the listing promptly after review.
Weniger Anbieter, weniger AV-Verträge, weniger Datenschutzaufwand. Eine deutsche Plattform für Buchung, Qualifizierung, Signatur und Sales-Content, DSGVO-konform mit Servern in Frankfurt.
Enterprise-Hinweis: Eine Plattform = ein AV-Vertrag, ein Auditschnitt. Reduziert die Compliance-Last erheblich.