# What does Flaschenpost use? Flaschenpost (flaschenpost.de) shows public evidence of 34 tools, according to runsonwhat (last checked 2026-11-10). - Industry: Retail - Size: 5,001–10,000 employees - Based in: Münster, Germany - Founded: 2012 - LinkedIn: https://www.linkedin.com/company/flaschenpost ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Vue.js](https://www.runsonwhat.com/reverse/vue) | Frontend | Website code | | | [PayPal](https://www.runsonwhat.com/reverse/paypal) | Payments & Billing | Website code | | | [Constructor.io](https://www.runsonwhat.com/reverse/constructor-io) | Search | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Datadog](https://www.runsonwhat.com/reverse/datadog) | Monitoring | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records, Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | Ads & Pixels | Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records | | | [Pinterest](https://www.runsonwhat.com/reverse/pinterest) | Ads & Pixels | Website code | | | [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records | | | [ChatGPT Ads](https://www.runsonwhat.com/reverse/chatgpt-ads) | Ads & Pixels | Website code | | | [The Trade Desk](https://www.runsonwhat.com/reverse/tradedesk) | Ads & Pixels | Website code | | | [Awin](https://www.runsonwhat.com/reverse/awin) | Ads & Pixels | Website code | | | [Spotify Ads](https://www.runsonwhat.com/reverse/spotify-ads) | Ads & Pixels | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | DNS verification records | | | [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) | Security & Compliance | Email records | | | [Mailjet](https://www.runsonwhat.com/reverse/mailjet) | Email Delivery | Email records | | | [Usercentrics](https://www.runsonwhat.com/reverse/usercentrics) | Security & Compliance | Website code | | | [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records | | | [JetBrains](https://www.runsonwhat.com/reverse/jetbrains) | Dev Tools | DNS verification records | | | [Palo Alto Networks](https://www.runsonwhat.com/reverse/paloalto) | Security & Compliance | DNS verification records | | | [ExternalDNS](https://www.runsonwhat.com/reverse/externaldns) | Dev Tools | DNS verification records | | ## Recent changes at Flaschenpost - 2026-11-02: started using [Awin](https://www.runsonwhat.com/reverse/awin) - 2026-10-10: started using [ExternalDNS](https://www.runsonwhat.com/reverse/externaldns) - 2026-10-10: started using [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) ## FAQ ### What tools does Flaschenpost use? As of November 2026, runsonwhat has found 34 tools at Flaschenpost (flaschenpost.de) in public records. Edge & Hosting: Cloudflare. Application: Tailwind CSS, Vue.js and PayPal. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked November 10, 2026. ### What CRM does Flaschenpost use? Flaschenpost uses Salesforce for its CRM, according to runsonwhat (November 2026). runsonwhat found Salesforce through email records that authorize Salesforce. Salesforce is used by 35,597 companies runsonwhat tracks. ### What email provider does Flaschenpost use? Flaschenpost uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 737,886 companies runsonwhat tracks. ### What does Flaschenpost use for customer support? Flaschenpost uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 43,848 companies runsonwhat tracks. ### What payment provider does Flaschenpost use? Flaschenpost uses PayPal for payments and billing, according to runsonwhat (November 2026). runsonwhat found PayPal through PayPal code on flaschenpost.de. PayPal is used by 35,172 companies runsonwhat tracks. ### What analytics tools does Flaschenpost use? Flaschenpost uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on flaschenpost.de. Google Analytics is used by 904,532 companies runsonwhat tracks. ### Does Flaschenpost use Cloudflare? Yes. runsonwhat found Cloudflare at Flaschenpost through DNS records that point at Cloudflare and code on flaschenpost.de. Cloudflare is a CDN & Edge tool used by 736,644 companies runsonwhat tracks. ### Has Flaschenpost changed tools recently? Yes. On runsonwhat's rechecks, Flaschenpost started using Awin, ExternalDNS and KnowBe4 (latest on November 2, 2026). A change counts only between two checks of flaschenpost.de done the same way. ### Which companies have a tech stack similar to Flaschenpost's? The companies with the stacks most like Flaschenpost's are Gap, Tractor Supply Company, Kohl's and American Eagle, according to runsonwhat (November 2026). Each shares 15 to 19 tools with Flaschenpost, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Flaschenpost uses? runsonwhat reads public records only. Of the 34 tools at Flaschenpost, 18 were found through code on flaschenpost.de, 11 through DNS records and 5 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and flaschenpost.de about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/flaschenpost.de (updated November 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.