# What does 3CX Ltd use? 3CX Ltd (3cx.de) shows public evidence of 21 tools, according to runsonwhat (last checked 2026-11-08). - Based in: Germany ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code | | | [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | 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 | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code | | | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code | | | [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code | | | [Quora Ads](https://www.runsonwhat.com/reverse/quora-ads) | Ads & Pixels | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS 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 | | ## Recent changes at 3CX Ltd - 2026-11-08: started using again [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) - 2026-11-08: started using again [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) - 2026-11-08: started using again [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) - 2026-11-08: started using again [Sectigo](https://www.runsonwhat.com/reverse/sectigo) - 2026-11-08: started using again [DigiCert](https://www.runsonwhat.com/reverse/digicert) - 2026-10-31: stopped using [Sectigo](https://www.runsonwhat.com/reverse/sectigo) - 2026-10-31: stopped using [DigiCert](https://www.runsonwhat.com/reverse/digicert) - 2026-10-31: stopped using [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) - 2026-10-31: stopped using [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) - 2026-10-31: stopped using [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) ## FAQ ### What tools does 3CX use? As of November 2026, runsonwhat has found 21 tools at 3CX (3cx.de) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Font Awesome and GSAP. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked November 8, 2026. ### What email provider does 3CX use? 3CX uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 737,865 companies runsonwhat tracks. ### What analytics tools does 3CX use? 3CX uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on 3cx.de. Google Analytics is used by 904,286 companies runsonwhat tracks. ### What is 3CX's website built with? 3CX uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on 3cx.de. WordPress is used by 607,000 companies runsonwhat tracks. ### Does 3CX use jQuery? Yes. runsonwhat found jQuery at 3CX through jQuery code on 3cx.de. jQuery is a Frontend tool used by 927,314 companies runsonwhat tracks. ### Has 3CX changed tools recently? Yes. On runsonwhat's rechecks, 3CX started using Google Trust Services, Microsoft 365 and Let's Encrypt (latest on November 8, 2026) and stopped using Sectigo, DigiCert and Google Trust Services (latest on October 31, 2026). A change counts only between two checks of 3cx.de done the same way. ### Which companies have a tech stack similar to 3CX's? The companies with the stacks most like 3CX's are Diffazur, AppsFlyer, Sedex and My Consulting Offer, according to runsonwhat (November 2026). Each shares 13 to 13 tools with 3CX, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what 3CX uses? runsonwhat reads public records only. Of the 21 tools at 3CX, 12 were found through code on 3cx.de, 7 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and 3cx.de about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/3cx.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.