# What does RCA use? RCA (rca.fr) shows public evidence of 25 tools, according to runsonwhat (last checked 2026-11-10). - Industry: Software - Size: 201–1,000 employees - Based in: Saint-Herblain, France - Founded: 1999 - LinkedIn: https://www.linkedin.com/company/rca-logiciels ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Gandi](https://www.runsonwhat.com/reverse/gandi) | DNS | Custom domain, DNS records | 2022-01 | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Twilio](https://www.runsonwhat.com/reverse/twilio) | Backend & Database | DNS verification records | | ## 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 | | | [Contentsquare](https://www.runsonwhat.com/reverse/contentsquare) | Analytics | Website code | | | [Better Stack](https://www.runsonwhat.com/reverse/betterstack) | Monitoring | Custom domain | 2022-04 | ## 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 | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Brevo](https://www.runsonwhat.com/reverse/brevo) | Marketing | DNS verification records, Email records, Website code | | | [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code | | | [Pardot](https://www.runsonwhat.com/reverse/pardot) | Marketing | DNS verification records, Website code | | | [Freshdesk](https://www.runsonwhat.com/reverse/freshdesk) | Support & Docs | Custom domain | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, Website code | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Mailjet](https://www.runsonwhat.com/reverse/mailjet) | Email Delivery | Email records, Website code | | | [Axeptio](https://www.runsonwhat.com/reverse/axeptio) | Security & Compliance | Website code | | | [TeamViewer](https://www.runsonwhat.com/reverse/teamviewer) | Dev Tools | DNS verification records | | | [URIports](https://www.runsonwhat.com/reverse/uriports) | Security & Compliance | Email records | | | [Wiz](https://www.runsonwhat.com/reverse/wiz) | Security & Compliance | DNS verification records | | ## Recent changes at RCA - 2026-11-10: stopped using [Hotjar](https://www.runsonwhat.com/reverse/hotjar) ## FAQ ### What tools does RCA use? As of November 2026, runsonwhat has found 25 tools at RCA (rca.fr) in public records. Edge & Hosting: Gandi. Application: Anthropic and Twilio. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, Google Workspace and Atlassian. Last checked November 10, 2026. ### What CRM does RCA use? RCA uses Salesforce for its CRM, according to runsonwhat (November 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on rca.fr. Salesforce is used by 35,434 companies runsonwhat tracks. ### What email provider does RCA use? RCA uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on rca.fr. Microsoft 365 is used by 734,176 companies runsonwhat tracks. ### What does RCA use for customer support? RCA uses Freshdesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Freshdesk through a subdomain that points at Freshdesk. Freshdesk is used by 12,975 companies runsonwhat tracks. ### What analytics tools does RCA use? RCA uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Contentsquare, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on rca.fr. Google Analytics is used by 903,910 companies runsonwhat tracks. ### What is RCA's website built with? RCA uses WordPress for its website, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on rca.fr. WordPress is used by 606,800 companies runsonwhat tracks. ### How long has RCA used Gandi? RCA has used Gandi since at least January 2022, going by the first public certificate of the rca.fr subdomain that points at Gandi. Other long-running tools at RCA include Better Stack (since April 2022). ### Does RCA use Google Ads? Yes. runsonwhat found Google Ads at RCA through Google Ads code on rca.fr. Google Ads is a Ads & Pixels tool used by 540,382 companies runsonwhat tracks. ### Does RCA use AI tools? Yes. runsonwhat has found Anthropic at RCA; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so RCA may use more AI tools than these. ### Has RCA changed tools recently? Yes. On runsonwhat's rechecks, RCA stopped using Hotjar (latest on November 10, 2026). A change counts only between two checks of rca.fr done the same way. ### Which companies have a tech stack similar to RCA's? The companies with the stacks most like RCA's are MCG Health, Zelestra, Choreograph and Velera, according to runsonwhat (November 2026). Each shares 5 to 10 tools with RCA, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what RCA uses? runsonwhat reads public records only. Of the 25 tools at RCA, 9 were found through code on rca.fr, 8 through DNS records, 5 through email records and 3 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and rca.fr about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/rca.fr (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.