# What does DEFION Security Spain use? DEFION Security Spain (defion.security) shows public evidence of 21 tools, according to runsonwhat (last checked 2026-10-20). - Based in: Barcelona, Spain - LinkedIn: https://www.linkedin.com/company/defionsecurity ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | 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 | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code | | | [Pardot](https://www.runsonwhat.com/reverse/pardot) | Marketing | Custom domain, DNS verification records, Website code | | | [Leadinfo](https://www.runsonwhat.com/reverse/leadinfo) | Sales & CRM | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records, Website code | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Cloudflare Turnstile](https://www.runsonwhat.com/reverse/turnstile) | Security & Compliance | Website code | | | [Resend](https://www.runsonwhat.com/reverse/resend) | Email Delivery | Email records | | | [1Password](https://www.runsonwhat.com/reverse/1password) | Security & Compliance | DNS verification records | | | [Tresorit](https://www.runsonwhat.com/reverse/tresorit) | Collaboration | DNS verification records | | ## FAQ ### What tools does DEFION Security Spain use? As of October 2026, runsonwhat has found 21 tools at DEFION Security Spain (defion.security) in public records. Edge & Hosting: Cloudflare. Application: Tailwind CSS, Anthropic and OpenAI. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, LinkedIn Insight Tag and Salesforce. Company Ops: Microsoft 365, Apple Business and Atlassian. Last checked October 20, 2026. ### What CRM does DEFION Security Spain use? DEFION Security Spain uses Salesforce for its CRM, alongside Leadinfo, according to runsonwhat (October 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on defion.security. Salesforce is used by 34,341 companies runsonwhat tracks. ### What email provider does DEFION Security Spain use? DEFION Security Spain uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 715,787 companies runsonwhat tracks. ### What analytics tools does DEFION Security Spain use? DEFION Security Spain uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on defion.security. Google Analytics is used by 894,444 companies runsonwhat tracks. ### What marketing software does DEFION Security Spain use? DEFION Security Spain uses Pardot for marketing, according to runsonwhat (October 2026). runsonwhat found Pardot through a subdomain that points at Pardot and a DNS verification record. Pardot is used by 20,467 companies runsonwhat tracks. ### Does DEFION Security Spain use Cloudflare? Yes. runsonwhat found Cloudflare at DEFION Security Spain through DNS records that point at Cloudflare and code on defion.security. Cloudflare is a CDN & Edge tool used by 711,748 companies runsonwhat tracks. ### Does DEFION Security Spain use AI tools? Yes. runsonwhat has found Anthropic and OpenAI at DEFION Security Spain; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so DEFION Security Spain may use more AI tools than these. ### Which companies have a tech stack similar to DEFION Security Spain's? The companies with the stacks most like DEFION Security Spain's are FPRE, STERNAUTO, Twenty Essex and Lürssen, according to runsonwhat (October 2026). Each shares 2 to 5 tools with DEFION Security Spain, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what DEFION Security Spain uses? runsonwhat reads public records only. Of the 21 tools at DEFION Security Spain, 8 were found through code on defion.security, 8 through DNS records, 3 through email records, 1 through website configuration files 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 defion.security about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/defion.security (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.