# What does Contabo GmbH use? Contabo GmbH (contabo.com) shows public evidence of 27 tools, according to runsonwhat (last checked 2026-10-11). - Industry: Software - Size: 201–1,000 employees - Based in: Munich, Germany - Founded: 2003 - LinkedIn: https://www.linkedin.com/company/contabo-gmbh ## 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 | | | [Astro](https://www.runsonwhat.com/reverse/astro) | Frontend | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | | [web-vitals](https://www.runsonwhat.com/reverse/web-vitals) | Monitoring | Website code | | | [Varify.io](https://www.runsonwhat.com/reverse/varify) | Flags & Experiments | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [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 | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | 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 | | | [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | Ads & Pixels | Website code | | | [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code | | | [ChatGPT Ads](https://www.runsonwhat.com/reverse/chatgpt-ads) | Ads & Pixels | 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 | | | [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 | | | [CookieHub](https://www.runsonwhat.com/reverse/cookiehub) | Security & Compliance | Website code | | ## FAQ ### What tools does Contabo use? As of October 2026, runsonwhat has found 27 tools at Contabo (contabo.com) in public records. Edge & Hosting: Cloudflare. Application: Tailwind CSS, Anthropic and Astro. Data & Observability: Google Analytics, Microsoft Clarity and Sentry. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, SendGrid and Let's Encrypt. Last checked October 11, 2026. ### What email provider does Contabo use? Contabo uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 704,062 companies runsonwhat tracks. ### What does Contabo use for customer support? Contabo uses Freshdesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Freshdesk through a subdomain that points at Freshdesk. Freshdesk is used by 12,243 companies runsonwhat tracks. ### What analytics tools does Contabo use? Contabo uses Google Analytics for analytics, alongside Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on contabo.com. Google Analytics is used by 855,897 companies runsonwhat tracks. ### What marketing software does Contabo use? Contabo uses Brevo for marketing, according to runsonwhat (October 2026). runsonwhat found Brevo through a DNS verification record for Brevo. Brevo is used by 78,468 companies runsonwhat tracks. ### What monitoring tools does Contabo use? Contabo uses Sentry for monitoring, alongside web-vitals, according to runsonwhat (October 2026). runsonwhat found Sentry through Sentry code on contabo.com. Sentry is used by 77,145 companies runsonwhat tracks. ### Does Contabo use Cloudflare? Yes. runsonwhat found Cloudflare at Contabo through DNS records that point at Cloudflare and code on contabo.com. Cloudflare is a CDN & Edge tool used by 693,848 companies runsonwhat tracks. ### Does Contabo use AI tools? Yes. runsonwhat has found Anthropic at Contabo; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Contabo may use more AI tools than these. ### Which companies have a tech stack similar to Contabo's? The companies with the stacks most like Contabo's are EMOS, Foxtons, SQlab Homepage and Tectake, according to runsonwhat (October 2026). Each shares 8 to 11 tools with Contabo, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Contabo uses? runsonwhat reads public records only. Of the 27 tools at Contabo, 15 were found through code on contabo.com, 8 through DNS records, 2 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 contabo.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/contabo.com (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.