# What does K.D. Feddersen Holding GmbH use? K.D. Feddersen Holding GmbH (feddersen.group) shows public evidence of 15 tools, according to runsonwhat (last checked 2026-10-31). - Based in: Hamburg, Germany - LinkedIn: https://www.linkedin.com/company/k-d-feddersen-holding ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft Azure](https://www.runsonwhat.com/reverse/azure) | Hosting & Cloud | Custom domain | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code | | | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Storyblok](https://www.runsonwhat.com/reverse/storyblok) | Website & CMS | Website code | | | [Seobility](https://www.runsonwhat.com/reverse/seobility) | Marketing | DNS verification records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records | | | [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records | | | [Usercentrics](https://www.runsonwhat.com/reverse/usercentrics) | Security & Compliance | Website code | | | [Cursor](https://www.runsonwhat.com/reverse/cursor) | Dev Tools | DNS verification records | | | [Notion](https://www.runsonwhat.com/reverse/notion) | Collaboration | DNS verification records | | | [TeamViewer](https://www.runsonwhat.com/reverse/teamviewer) | Dev Tools | DNS verification records | | | [rexx systems](https://www.runsonwhat.com/reverse/rexx) | People & HR | Email records | | ## FAQ ### What tools does K.D. Feddersen Holding use? As of November 2026, runsonwhat has found 15 tools at K.D. Feddersen Holding (feddersen.group) in public records. Edge & Hosting: Microsoft Azure. Application: Font Awesome, Next.js and Anthropic. Go-to-market: Storyblok and Seobility. Company Ops: Microsoft 365, Let's Encrypt and DigiCert. Last checked October 31, 2026. ### What cloud does K.D. Feddersen Holding run on? K.D. Feddersen Holding uses Microsoft Azure for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Microsoft Azure through a subdomain that points at Microsoft Azure. Microsoft Azure is used by 49,002 companies runsonwhat tracks. ### What email provider does K.D. Feddersen Holding use? K.D. Feddersen Holding uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 720,843 companies runsonwhat tracks. ### What is K.D. Feddersen Holding's website built with? K.D. Feddersen Holding uses Storyblok for its website, according to runsonwhat (November 2026). runsonwhat found Storyblok through Storyblok code on feddersen.group. Storyblok is used by 2,776 companies runsonwhat tracks. ### What marketing software does K.D. Feddersen Holding use? K.D. Feddersen Holding uses Seobility for marketing, according to runsonwhat (November 2026). runsonwhat found Seobility through a DNS verification record for Seobility. Seobility is used by 493 companies runsonwhat tracks. ### What does K.D. Feddersen Holding use for hiring and HR? K.D. Feddersen Holding uses rexx systems for hiring and HR, according to runsonwhat (November 2026). runsonwhat found rexx systems through email records that authorize rexx systems. rexx systems is used by 639 companies runsonwhat tracks. ### Does K.D. Feddersen Holding use Font Awesome? Yes. runsonwhat found Font Awesome at K.D. Feddersen Holding through Font Awesome code on feddersen.group. Font Awesome is a Media & UI tool used by 465,601 companies runsonwhat tracks. ### Does K.D. Feddersen Holding use AI tools? Yes. runsonwhat has found Anthropic at K.D. Feddersen Holding; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so K.D. Feddersen Holding may use more AI tools than these. ### Which companies have a tech stack similar to K.D. Feddersen Holding's? The companies with the stacks most like K.D. Feddersen Holding's are K.D. Feddersen GmbH & Co. KG, AKRO-PLASTIC, DAA and DCON, according to runsonwhat (November 2026). Each shares 4 to 13 tools with K.D. Feddersen Holding, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what K.D. Feddersen Holding uses? runsonwhat reads public records only. Of the 15 tools at K.D. Feddersen Holding, 8 were found through DNS records, 4 through code on feddersen.group, 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 feddersen.group about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/feddersen.group (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.