# What does FRITZ! use? FRITZ! (avm.de) shows public evidence of 23 tools, according to runsonwhat (last checked 2026-10-11). - Based in: Germany ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [Google Maps](https://www.runsonwhat.com/reverse/google-maps) | Media & UI | Website code | | | [Boost Commerce](https://www.runsonwhat.com/reverse/boost-commerce) | Search | Website code | | | [Langdock](https://www.runsonwhat.com/reverse/langdock) | AI | DNS verification records | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Matomo](https://www.runsonwhat.com/reverse/matomo) | Analytics | Website code | | | [Varify.io](https://www.runsonwhat.com/reverse/varify) | Flags & Experiments | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records | | | [Shopify](https://www.runsonwhat.com/reverse/shopify) | Website & CMS | Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain, Email records | | | [Klaviyo](https://www.runsonwhat.com/reverse/klaviyo) | Marketing | Website code | | | [CleverReach](https://www.runsonwhat.com/reverse/cleverreach) | Marketing | Email records | | | [REVIEWS.io](https://www.runsonwhat.com/reverse/reviews-io) | Marketing | Website code | | | [Bitly](https://www.runsonwhat.com/reverse/bitly) | Marketing | Custom domain | | | [LianaMailer](https://www.runsonwhat.com/reverse/lianamailer) | Marketing | Email records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Mailjet](https://www.runsonwhat.com/reverse/mailjet) | Email Delivery | Email records | | | [Usercentrics](https://www.runsonwhat.com/reverse/usercentrics) | Security & Compliance | Website code | | | [JetBrains](https://www.runsonwhat.com/reverse/jetbrains) | Dev Tools | DNS verification records | | ## FAQ ### What tools does FRITZ! use? As of October 2026, runsonwhat has found 23 tools at FRITZ! (avm.de) in public records. Edge & Hosting: Cloudflare. Application: Vimeo, Google Maps and Boost Commerce. Data & Observability: Microsoft Clarity, Matomo and Varify.io. Go-to-market: Meta Pixel, Shopify and Zendesk. Company Ops: Microsoft 365, Apple Business and Mailjet. Last checked October 11, 2026. ### What email provider does FRITZ! use? FRITZ! 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 705,109 companies runsonwhat tracks. ### What does FRITZ! use for customer support? FRITZ! uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records. Zendesk is used by 41,203 companies runsonwhat tracks. ### What analytics tools does FRITZ! use? FRITZ! uses Microsoft Clarity for analytics, alongside Matomo, according to runsonwhat (October 2026). runsonwhat found Microsoft Clarity through Microsoft Clarity code on avm.de. Microsoft Clarity is used by 128,077 companies runsonwhat tracks. ### What is FRITZ!'s website built with? FRITZ! uses Shopify for its website, according to runsonwhat (October 2026). runsonwhat found Shopify through Shopify code on avm.de. Shopify is used by 59,060 companies runsonwhat tracks. ### What marketing software does FRITZ! use? FRITZ! uses Klaviyo for marketing, alongside CleverReach, REVIEWS.io and Bitly, according to runsonwhat (October 2026). runsonwhat found Klaviyo through Klaviyo code on avm.de. Klaviyo is used by 34,758 companies runsonwhat tracks. ### Does FRITZ! use Cloudflare? Yes. runsonwhat found Cloudflare at FRITZ! through Cloudflare code on avm.de. Cloudflare is a CDN & Edge tool used by 696,001 companies runsonwhat tracks. ### Does FRITZ! use AI tools? Yes. runsonwhat has found Langdock at FRITZ!; Langdock, for example, through a DNS verification record for Langdock. AI services called only from servers leave no public trace, so FRITZ! may use more AI tools than these. ### Which companies have a tech stack similar to FRITZ!'s? The companies with the stacks most like FRITZ!'s are FRITZ!, Issta Lines, Kekäle and D66, according to runsonwhat (October 2026). Each shares 7 to 20 tools with FRITZ!, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what FRITZ! uses? runsonwhat reads public records only. Of the 23 tools at FRITZ!, 11 were found through code on avm.de, 6 through DNS records, 3 through email records, 2 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and avm.de about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/avm.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.