# What does ERF Medien use? ERF Medien (erf.de) shows public evidence of 26 tools, according to runsonwhat (last checked 2026-10-08). - Industry: Media Production - Size: 51–200 employees - Based in: Wetzlar, Germany - Founded: 1959 - LinkedIn: https://www.linkedin.com/company/erf-der-sinnsender ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Email records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Vue.js](https://www.runsonwhat.com/reverse/vue) | Frontend | Website code | | | [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | DNS verification records | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Matomo](https://www.runsonwhat.com/reverse/matomo) | Analytics | Website code | | | [Bugsnag](https://www.runsonwhat.com/reverse/bugsnag) | Monitoring | Website code | | | [UptimeRobot](https://www.runsonwhat.com/reverse/uptimerobot) | Monitoring | Custom domain | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [Taboola](https://www.runsonwhat.com/reverse/taboola) | Ads & Pixels | Website code | | | [Dynamics 365 Customer Insights](https://www.runsonwhat.com/reverse/dynamics-365-marketing) | Marketing | DNS verification records | | | [Userlike](https://www.runsonwhat.com/reverse/userlike) | Support & Docs | 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 | | | [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records | | | [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records | | | [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records | | | [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records | | | [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records | | | [Canva](https://www.runsonwhat.com/reverse/canva) | Collaboration | DNS verification records | | ## FAQ ### What tools does ERF Medien use? As of October 2026, runsonwhat has found 26 tools at ERF Medien (erf.de) in public records. Edge & Hosting: Cloudflare. Application: jQuery, YouTube and Anthropic. Data & Observability: Google Analytics, Matomo and Bugsnag. Go-to-market: Google Ads, Microsoft Ads and Taboola. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 8, 2026. ### What email provider does ERF Medien use? ERF Medien uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 700,589 companies runsonwhat tracks. ### What does ERF Medien use for customer support? ERF Medien uses Userlike for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Userlike through Userlike code on erf.de. Userlike is used by 513 companies runsonwhat tracks. ### What payment provider does ERF Medien use? ERF Medien uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe. Stripe is used by 26,153 companies runsonwhat tracks. ### What analytics tools does ERF Medien use? ERF Medien uses Google Analytics for analytics, alongside Matomo, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on erf.de. Google Analytics is used by 850,153 companies runsonwhat tracks. ### What marketing software does ERF Medien use? ERF Medien uses Dynamics 365 Customer Insights for marketing, according to runsonwhat (October 2026). runsonwhat found Dynamics 365 Customer Insights through a DNS verification record for Dynamics 365 Customer Insights. Dynamics 365 Customer Insights is used by 5,975 companies runsonwhat tracks. ### Does ERF Medien use jQuery? Yes. runsonwhat found jQuery at ERF Medien through jQuery code on erf.de. jQuery is a Frontend tool used by 895,780 companies runsonwhat tracks. ### Does ERF Medien use AI tools? Yes. runsonwhat has found Anthropic at ERF Medien; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so ERF Medien may use more AI tools than these. ### Which companies have a tech stack similar to ERF Medien's? The companies with the stacks most like ERF Medien's are Stadtwerke Geesthacht, Triconnect Consulting, Deinschrank.de and Dachser & Kolb, according to runsonwhat (October 2026). Each shares 4 to 9 tools with ERF Medien, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what ERF Medien uses? runsonwhat reads public records only. Of the 26 tools at ERF Medien, 12 were found through DNS records, 11 through code on erf.de, 2 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and erf.de about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/erf.de (updated October 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.